Herbivores have evolved from carnivores statement best explains these observations.
Animals that eat only plants are called herbivores. Animals that only eat meat are called carnivores. Animals that eat both plants and meat are called "omnivores." An animal's diet does not depend on its size. Even very small animals can be carnivores, while some of the largest animals only consume plants.
Carnivorous animals have long, sharp teeth that are designed for tearing flesh. These teeth also kill their prey by puncturing vital organs.
Herbivorous animals have teeth that are made for tearing and crushing leaves from plants. As a result, herbivores have sharp front teeth that let them cut leaves, and flat teeth at the back of their mouth that let them crush tough and fibrous plant material like leaves.
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Where is Keratinized stratified squamous epithelium function?
The stratified squamous epithelium function Keratinized the outermost layer of cell, Stratum Basale which contains the stem cells of the epidermis.
A kind of stratified epithelium known as keratinized stratified squamous epithelium has many layers of squamous cells, or keratinocytes, with the superficial layer of cells being keratinized. The skin's epidermis is made up of this kind of epithelium.
The maturation process known as keratinization occurs when basal layer of cells travel to the stratum corneum, where they degenerate and are shed off.
Along with the skin, the oral mucosa's friction-sensitive regions, like the gingiva, hard palate, and portions of the tongue, also have keratinized stratified squamous epithelium. The stratum lucidum is absent from the keratinized epithelium of the oral mucosa, which otherwise resembles the epidermis.
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Which tissue does most photosynthesis take place in
Answer:
Most photosynthesis takes place in the chloroplasts of plant cells, specifically in the chlorophyll-containing organelles called thylakoids.
Explanation:
When the time in Florida is 1 PM, the time in Washington is 10 AM. Which of these causes the time difference between Florida and Washington? (1 point) tilt of Earth on its axis spinning of Earth on its axis movement of Earth around sun difference in direction of sunlight
Answer:
The answer is movement of earth around the sun creating difference in direction of sunlight
Explanation:
Which of the following explains why normal cells grown in a petri dish tend to stop growing once they have covered the bottom of the dish?answer choicesThe cells lack cyclinPetri dish and inhabits cell growthContact with other cells stop cell growthMost cells grown in Petri dishes have a defective p53
Answer: Contact with other cells stop cell growth
Explanation:
Normal cells grown in a petri dish tend to stop growing once they have covered the bottom of the dish because they have reached a state known as contact inhibition. This is a phenomenon where cells stop growing and dividing once they come into contact with other cells and form a confluent layer. This is a mechanism that prevents cells from overgrowing and forming tumors. This process is regulated by contact-dependent signaling pathways, where the cells sense their environment and respond by slowing or stopping their growth and division.
to create a molecule of recombinant dna, which of the following is cut with a restriction enzyme?
Select all that apply.
a) target DNA
b) target RNA
c) DNA ligase
d) starting DNA
a) target DNA and d) starting DNA. While DNA ligase can bind or rejoin DNA fragments with complimentary ends, restriction enzymes, which are naturally present in bacteria, can cut DNA fragments at particular sequences.
Genetic engineering became possible after enzymes that could copy and paste DNA were discovered. Recombinant DNA procedures make extensive use of type II restriction enzymes. Type II enzymes are made up of a single, distinct protein that is used for modification and restriction. The first enzyme identifies DNA and cuts it, while the second enzyme recognises DNA and methylates it. Along with polymerase chain reaction (PCR), it is one of the two most used techniques for controlling the replication of any particular DNA sequence that the experimenter chooses.
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9) For the science fair, a student sets up Petri dishes with samples of food from the different food groups. In some Petri dishes there are nuts, apple slices, and lettuce representing fruits and vegetable. In some Petri dishes there is cheese, a layer of milk, and sour cream representing the dairy group. In a few Petri dishes there are slices of pork, chicken, and beef for the meat group. Finally, there are a few Petri dishes with cooked pasta and bread placed in them. The student leaves the dishes with the food uncovered and at room temperature for 12 hours. Then the food is covered with the lids of the Petri dishes. The foods are kept covered and at room temperature for one week and observations are made for mold growth. When planning for this comparative investigation, which type of technology would be best to obtain and use
When organizing this comparison study, "Which soap is the most effective against bacteria?" would be the ideal soap to acquire and utilize.
What is bacteria?Bacteria are common, typically free-living organisms made up of a single biological cell. They comprise a sizable prokaryotic bacterial group. The majority of the habitats on Earth contain bacteria, which are typically a few micrometers in length and were among the first living things to emerge. a vast array of single-celled microorganisms. Some are to blame for illnesses and infections that affect both humans and animals. Millions of tiny, single-celled organisms known as bacteria exist both inside and outside of other species. Although some bacteria are dangerous, the vast majority are helpful. They provide a variety of life forms with support, both plant and animal, and are used in both industrial and therapeutic activities.
Here,
"Which soap is the most efficient against bacteria?" would be the appropriate soap to obtain and use while arranging this comparative research.
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differentiate bw apiculture and aquaculture
Explanation:
The rearing of honey bee to obtain honey and other commercially important products is known as apiculture. On the other hand, production of useful aquatic animals such as fish, prawn, shrimps, lobsters, crabs and molluscs by proper utilisation of small and large bodies of water is known as aqaculture.
the z-line is: select one: a. a protein disk that bisects and anchors the i-band. b. the area between filaments. c. a bundle of myofilaments. d. extensions of the sarcolemma.
The z-line is extensions of the sarcolemma(d)
What is the Z line in a sarcomere?The Z-band (or Z-disk) is a dense fibrous structure made of actin, α-actinin, and other proteins.Thin filaments (or actin filament) are anchored at one end at the Z-band. Titin is anchored to both the Z-band and the M-line. Thick filaments are anchored in the middle of the sarcomere at the M-lineA sarcomere is defined as the segment between two neighbouring Z-lines (or Z-discs). In electron micrographs of cross-striated muscle, the Z-line (from the German "zwischen" meaning between) appears in between the I-bands as a dark line that anchors the actin myofilaments.The area between two Z lines, a sarcomere, can be considered to be the primary structural and functional unit directly responsible for muscle contractionTo learn more about Z line refers to:
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here are health concerns surrounding the products that have been genetically engineered for particular traits, including pharmaceuticals, crops, and enzymes that are used in industry and manufacturing processes. which is a health concern that affects society?patented productsbioaccumulationland usecancer
When used in industry and manufacturing processes, products that have been genetically modified to have specific traits raise health risks related to cancer.
The application of biotechnology to alter an organism's genome is known as genetic engineering. This results from the gene expression process, in which a gene's information is used to produce a gene product that functions. Proteins are frequently produced during this process as a result of translation.
An interpretation system that is specifically engineered to produce the desired gene product is categorised as a genetic engineering product (e.g protein, or tRNA).
Chemical hormones and several medications have been developed for medical use as a result of genetic engineering. e.g.
Gene splicing: A technique used to produce large amounts of insulin using E. the bacteria E. coli.
A protein called interferon is used to eliminate viruses and kill cancer cells.
Therefore, we can infer that when used in industry and manufacturing processes, genetically modified products for specific traits have health risks related to cancer.
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what happens to nutrients and matter in a biogeochemical cycle
Answer:
full answer was provided in below
Explanation:
In a biogeochemical cycle, nutrients and matter are constantly being cycled through the environment. This cycle involves the transfer of energy and matter between living organisms and their environment. Nutrients and matter are taken up by plants through photosynthesis and then passed on to animals through the food chain. As organisms die, their remains are broken down by decomposers and the nutrients and matter are released back into the environment. This cycle is then repeated, with the nutrients and matter being taken up by plants and passed on to animals.
The cycle of nutrients and matter is essential for all life on Earth. Without it, the environment would become depleted of essential nutrients and matter and life would not be able to survive. The cycle is also important for maintaining the balance of nutrients and matter in the environment. For example, when nutrients and matter are released back into the environment, they can be taken up by plants and used to produce food for animals. This helps to maintain the balance of nutrients and matter in the environment and ensures that all organisms have access to the resources they need to survive.
Oxygen enters seawater as a result of______.
(Hint: How does oxygen get into our atmosphere?)
Answer:
there's bacteria. developed bacteria that lives on energy given off by the sun and carbon dioxide in the water hence production oxygen as a waste product
and also plants take in carbon dioxide exhaled by people and give it off as oxygen as a waste product
this organism is described as glistening, silver, and resembling a mercury droplet on media supplemented with horse blood. a. bordetella pertussis b. streptococcus pyogenes c. streptococcus agalactiae d. staphylococcus aureus
Organism described as glistening, silver, and resembling mercury droplet on media supplemented with horse blood is : a. Bordetella pertussis
What is Bordetella pertussis?The cause of pertussis, sometimes known as whooping cough, is a gram-negative, aerobic, pathogenic, encapsulated coccobacillus of the genus Bordetella. B. pertussis is motile and exhibits a feature resembling a flagellum, just like B. bronchiseptica.
Pertussis, widely known as whooping cough, is a highly contagious respiratory disease brought on by a species of bacteria called Bordetella pertussis. Only people are susceptible to the illness. The cilia (tiny, hair-like extensions) that line a portion of the upper respiratory system are where whooping cough germs attach.
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Why differents parts of plants get modified?
Answer: Look down you may copy word for word
Explanation:
Plants get modified so they can perform diffrent functions. This will involve storage, photosynthesis, protection, support, perentation, and propagation. Modifications help the plants adampt to there enviorment and it helps with survival.
which of the following is a direct economic advantage associated with aquaculture? aquaculture requires large bodies of water for its operations. aquaculture breeds genetically modified fish to increase the amount of biodiversity in the population. aquaculture reduces the number of fishing operations in an area. aquaculture produces large amounts of seafood for human purchase and consumption year-round.
Aquaculture produces large amounts of seafood for human purchase and consumption year-round.
What is Aquaculture ?The practise of breeding, cultivating, and harvesting fish as well as other aquatic plants is known as aquaculture, or "farming in water." It is a commercial product that helps to create healthier habitats, improve the ecosystem, and rebuild populations of aquatic animals that are in danger of extinction.
In these areas of the oceans, marine animals like molluscs, shellfish, prawns, and seaweed are frequently grown. Seaweeds are an excellent addition to mariculture. These varieties of seaweed are used in the creation of jewellery and cosmetics.
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Transcription factors in eukaryotes usually have DNA-binding domains as well as other domains that are specific for binding other molecules.T/F
Answer:
True.
Explanation:
Proteins called transcription factors bind to certain DNA sequences to control the transcription of genes. Transcription factors in eukaryotic cells often feature a DNA-binding domain that selectively binds to particular DNA sequences. They also possess additional binding domains designed specifically to bind substances like proteins or RNA. Transcriptional regulatory domains are the name given to these domains. They control the activity of transcription factors by attracting other proteins, chromatin-modifying enzymes, or the RNA polymerase II holoenzyme. The specificity and activity of the transcription factor are determined by the interaction between the DNA-binding domain and the transcriptional regulatory domains.
Genetic cause of Type 1 Diabetes described
Although a number of risk factors have been discovered, the exact origins of type 1 diabetes are unknown. A number of HLA-DQA1, HLA-DQB1, and HLA-DRB1 gene polymorphisms enhance the risk of type 1 diabetes.
What hereditary factors contribute to diabetes?Monogenic diabetes is brought on by alterations, or mutations, in just one gene. The majority of the time, these alterations are passed down through families, but occasionally a gene mutation occurs randomly. By reducing the pancreas' capacity to produce insulin, the majority of these gene abnormalities lead to diabetes.
Is diabetes caused by a genetic mutation?Monogenic diabetes is a rare disease brought on by alterations (mutations) in just one gene. diabetes , the most prevalent forms of diabetes, type 1 and type 2, are brought on by a number of genes
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if you receive a transudate fluid for a gram stain and bacterial culture, what is the ideal specimen preparation method for the gram stain?
Submitting superficial swab specimens is not permitted. Aspirates from tissue or needles are recommended.
Three essential processes must be performed to complete a Gram stain. The bacteria are dyed with a crystal violet dye, then decolorized with a mixture of alcohol and acetone, and finally counterstained with a red dye.
The Gram staining procedure consists of four main phases, which are as follows: Using a primary stain (crystal violet). The addition of a mordant (Gram's iodine). Rapid decolorization with ethanol, acetone, or a combination of the two.
Gram staining can be performed on a variety of clinical specimens. Sputum, blood, cerebral fluid, ascitic fluid, synovial fluid, pleural fluid, and urine are some of the most regularly utilized specimens. Swabs from the nostrils, throat, rectum, wound, and cervix, among other places, can also be used.
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Cells lining the gut need to take in glucose, but at a certain time, the concentration of EXTRACELLULAR glucose is LOWER than the concentration already stored in the cells.Simple diffusionFacilitated diffusionActive transport
The cells lining the gut need to absorb glucose during active transport, but at a certain point the extracellular glucose concentration is lower than the concentration already present in the cells.
In cellular biology, active transport is the movement of molecules or ions across a cell membrane across a concentration gradient from one region of lower concentration to another. Cellular energy is needed for active transport to be possible. The two types of active transport are primary active transport, which makes use of adenosine triphosphate (ATP), and secondary active transport, which makes use of an electrochemical gradient.
Active transport moves molecules against gradients, polar repulsion, or other obstacles using cellular energy as opposed to passive transport, which relies on the kinetic energy and natural entropy of molecules traveling down a gradient. Active transport often causes significant concentrations of the materials the cell requires to function, such as ions, glucose, and amino acids, to build up.
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What type of reproduction is favored in highly variable or unpredictable environments when survival rate of offspring is low?
Semelparity is encouraged in situations that are highly variable and unpredictable and is related with mass reproduction. Typically, only a small percentage of offspring survive and they mature sexually quickly.
After their first reproduction, many plant and animal species experience extinction. Semelparity refers to this, and iteroparity refers to its opposite (which involves continuing to reproduce). As an alternative to semelparity and iteroparity in plants, the terms monocarpy and polycarpy are occasionally employed. However, the term "monocarpy" can also be used more narrowly to refer to plants in which specific shoots, but not always the entire plant, die after reproduction. Annual and biennial plants, specific insect species, and a variety of spider species are examples of short-lived semelparous species. All annual plants are semelparous, but not all perennial plants are iteroparous, which is an important distinction to make.
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Outermost covering of the brain, composed of tough fibrous connective tissue. Its outer layer forms the periosteum of the skull.
dura mater is the Outermost covering of the brain, composed of tough fibrous connective tissue. Its outer layer forms the periosteum of the skull.
The dura mater is frequently called just the dura. One of the connective tissue layers that makes up the meninges of the brain is this one (pia, arachnoid, and dura, from inside to outside). The third meninge, which surrounds and shields the brain and spinal cord, has this layer as its outermost layer. Large volumes of extracellular collagen and fibroblasts make up the dura mater. The meningeal layer and the periosteal/endosteal layer are the two layers that make up the dura mater. Between these two levels are the dural venous sinuses. The diaphragma sellae, tentorium cerebelli, and falx cerebelli are all created by septa that are formed as the dura folds.
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might there be an evolutionary advantage of this ability? explain. might there be an evolutionary advantage of this ability? explain. if the frequency of mutations increases, the species becomes less susceptible to viruses, because the targets of the viruses are also changed due to mutations. thus, this species is more likely to survive. if the frequency of mutations increases, so does the probability of adaptations to new conditions. thus, this species is more likely to survive. an increase in mutation rate was useful for ancestral forms of bacteria in the constantly changing environment, but now it can't be advantageous for species and for their survival. the increase of dna replication mistakes leads to failures in bacterial reproduction, thus decreasing the chance of species thriving. this cannot be advantageous.
The right response is B. The likelihood of adaptations to novel conditions increases as the frequency of mutations rises. This species has a higher chance of surviving.
The rate at which mutations happen during cell division may be able to be increased by some bacteria in response to environmental stress. This ability may have an evolutionary advantage because it increases the likelihood of adaptation to novel environments as mutations occur more frequently. This species has a higher chance of surviving. (As variations in traits result from mutations, and as mutations are the source of variations that make adaptations simple,) Many bacteria have mutations that enable them to endure antibiotic treatment. Bacteria strains resistant to antibiotics result from the mutations.
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In the binomial system of nomenclature, which two classification groups provide the scientific name of an organism
Answer:
The scientific name of a species that is set by binomial nomenclature entails two parts: (1) generic name (or genus name) and (2) specific name (or specific epithet).
A mutant bacterial cell has a defective aminoacyl-tRNA synthetase that attaches a Lysine to tRNAs with the anticodon AAA instead of the normal Phenylalanine. The consequence of this for the cell will be that: O None of the proteins in the cell will contain phenylalanine O Proteins in the cell will include Lysine instead of phenylalanine at amino acid positions specified by the codon UUU O The cell will compensate for the defect by attaching both lysine and phenylalanine to tRNAs with lysine-specific anticodons O The ribosome will not attach any amino acid when it reaches a UUU codon O The cell will compensate for the defect by attaching phenylalanine to tRNAs with lysine-specific anticodons
A faulty aminoacyl-tRNA synthetase in a mutant bacterial cell adds a lysine to tRNAs with the anticodon AAA rather than the typical phenylalanine. The consequence of this for the cell will be that proteins in the cell will include lysine instead of phenylalanine at amino acid positions specified by the codon UUU.
The process by which ribosomes in the cytoplasm or endoplasmic reticulum generate proteins after the nucleus of the cell has converted DNA to RNA is known as translation. This entire process is known as gene expression.
Outside the nucleus, a ribosome decodes messenger RNA (mRNA) to produce a particular amino acid chain or polypeptide. The polypeptide subsequently folds into an active protein that serves cellular activities. The ribosome aids decoding by inducing complementary tRNA anticodon sequences to bind to mRNA codons. As the mRNA goes through and is "read" by the ribosome, the tRNAs carry particular amino acids that are linked together to form a polypeptide.
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Explain the anatomical concepts associated with human development. Summarize this module’s key points in 5-6 sentences.
Explain the physiological concepts associated with human development. Summarize this module’s key points in 5-6 sentences.
Expert Answer
Anatomical concepts associated with human development include the stages of fetal development, the physical structures of the body, and the growth and maturation of the body.
Physiological concepts involve the changes in the body’s functions over time, such as the development of motor skills, the growth of the nervous system, and the maturation of the endocrine system.
Human development is a complex process that involves changes in both physical structure and body functions over time. During fetal development, the body grows and develops in a specific sequence, with certain body structures maturing at certain stages.
As the body matures, the nervous and endocrine systems develop, allowing the body to produce hormones, create and control movement, and respond to external stimuli.
Motor skills also develop over time, allowing for more complex movements and activities. By understanding the anatomical and physiological processes involved in human development, we can gain insight into the growth and maturation of the body over time.
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AV Node Delay Definition
The atrioventricular (AV) node delay refers to the time lag in the cardiac cycle, which ensures that all the blood has entered the ventricles from the atria before ventricular contraction.
Adding a delay between atrial and ventricular excitement during AV node conduction is crucial in order to provide the atrium enough time to finish filling the ventricles when it contracts.
What does "AV delay" entail and what does the delay accomplish?This AV delay makes sure that blood has enough time to leave the atrium and finish filling the ventricles. Blood is ejected from the ventricles through an open bulbo-ventricular (BV) valve and into the outflow tract. When the ventricle relaxes, the cardiac cycle is over (ventricular diastole).
In order to provide electrical impedance from the atria and a pacemaker in its absence, this structure connects the electrical systems of the ventricles and the atria.
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both mitosis and meiosis are forms of cell division that produce daughter cells containing genetic information from the parent cell. (a) describe two events that are common to both mitosis and meiosis that ensure the resulting daughter cells inherit the appropriate number of chromosomes.
These common features in the cell divisions are:-
Interphase
cytokinesis
In both forms of cell division, these two processes occur simultaneously.
What is cells division ?These two types of cell divisions differ from one another in their genetic make-up. The daughter cell in mitosis has the same number of chromosomes as the parents, and the meiotic cell has half as many as the parents.
Both cells have separate anaphases, and the crossing over only happened during the meiosis cycle.
Mitosis and meiosis are the two distinct processes of cell division. When people talk about "cell division," they typically mean mitosis, which is the process of creating new cells for the body. The cell division process known as meiosis is what produces egg and sperm cells.
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the theory of evolution states that all living things had a single common ancestor. the translation between mrna and amino acids is the same for all living things. (for example, the mrna codon cag codes for glutamine in all living things.) does the second statement support the theory of evolution? explain why or why not. if possible, discuss your answer with your teacher and classmates.
the theory of evolution states that all living things had a single common ancestor The second claim does, in fact, back up evolutionism.
The second assertion supports the notion of evolution by informing us that all living things translate their mRNA into amino acids similarly. We can infer that the second statement supports the theory of evolution if they do not have the same sort of translation, which would indicate that all living creatures did not originate from a single common ancestor.
According to the theory of evolution, all life has a common ancestor. Knowing about the lines of descent, or actual specimens exhibiting a gradual change from one form to another, would be the direct proof of evolution. Such proof is provided by fossils. The existence of fossils demonstrates that birds descended from reptiles.
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is this statement true or false? the digestive tract of the elderly are often worn out and do not absorb nutrients and fluids well. responses true true false
The digestive tract of the elderly are often worn out and do not absorb nutrients and fluids well. [TRUE]
ABOUT MAINTAIN THE HEALTH OF THE DIGESTIVE TRACT
Entering old age, a person needs to be more careful in maintaining health, including digestive health. Everyday Health reports that increasing age is also followed by a decrease in the function of the digestive system. The muscles of the digestive tract become stiffer, weaker, and less efficient. The tissue is easily damaged and tends to be slow to produce new cells.
One way for parents to maintain digestive health is to follow a special diet and maintain the body's nutritional intake. This includes staying away from various foods that trigger digestive and metabolic system problems. Parents are also prioritized to consume immune-boosting foods to maintain their health. What should be prohibited or reduced consumption?
First, the elderly are advised not to consume spicy food. The spicy taste can cause stomach acid to rise which risks causing a burning feeling in the throat. In addition, foods with super spicy levels can trigger stomach or intestinal irritation.
Apart from being spicy, the elderly should also stay away from foods that are too acidic. Not a sour taste, but food has a high pH. These acidic foods can trigger stomach acid, headaches, disturbances in blood flow, and muscle aches.
The elderly are also expected to stay away from soft drinks. Soda drinks contain excess sugar. Unprocessed sugar content in the body will become fat in the stomach. If consumed in large quantities and frequently, sugar also has an effect on tooth decay. After consuming drinks and foods that are high in sugar, the elderly are advised to brush their teeth.
Meanwhile, consuming large amounts of caffeine can also increase high blood pressure which results in headaches, blurry vision, nausea, irregular heartbeat, and fatigue. This is not good for the elderly who need adequate and regular rest time.
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WILL! GIVE! POINTS! HELP
Answer: B. 1&2
Explanation: Phenotype refers to an individual's observable traits, such as height, eye color and blood type. A person's phenotype is determined by both their genomic makeup (genotype) and environmental factors.
As before, you self several wild-type plants from the F2 and again determine that some of them are pure-breeding.What can you conclude from these results?For each statement, choose the correct response by selecting only from the three answer choices to the left of that statement. Drag the correct answer to the right of each statement.
The conclusions from these results are as follows:
1. true2. recombination3. 9:3:44. recessive epistasisA recessive epistasis occurs when one gene's recessive allele conceals the expression of all alleles of another gene. Here's an example of epistasis in the mouse characteristic of hair colour. In a Punnett square, it shows recessive epistasis. For polygenetic hair colour, both parent mice are heterozygous, BbCc.
Labrador retriever colour is a frequent example of recessive epistasis. Color genes in Labrador retrievers only come in black or chocolate, however yellow Labrador retrievers emerge when recessive epistatic genes at the 'extension' locus prevent colour from reaching the fur. Dominant epistasis occurs when a dominant allele hides the expression of both recessive and dominant alleles at other loci. When the recessive allele covers the expression, it is called recessive epistasis.
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