Genetic engineering is also referred to as genetic modification and it ids defined as the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism.
What is a Gene?
This contains DNA and it is present in the nucleus of cells and acts as the basic unit of heredity which is passed from parent to child. during the process of reproduction.
It allows scientists to move desired genes from one plant or animal into another thereby resulting in the production of organisms which have high yield or resistance to certain diseases therby making it a very good innovation.
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The full question is:
What is Genetic engineering?
a rooster with grey feathers is crossed with a hen of the same phenotype. they produce 15 chicks with grey feathers, 7 chicks with black feathers, and 8 chicks with white feathers. what is the simplest explanation for this inheritance pattern?
The simplest explanation for this inheritance pattern is that the rooster and the hen are both heterozygous for the gene that controls feather color and they are both carrying one dominant allele for grey feathers and one recessive allele for black or white feathers.
What is the definition of phenotype?Phenotype refers to the observable physical and physiological characteristics of an organism, which are determined by the combination of its genetic makeup (genotype) and the environment. Phenotype is the physical appearance of the organism which we can observe and measure, it can be shape, size, color, etc.
When rooster and hen cross, the dominant allele for grey feathers masks the expression of the recessive alleles, so all of the offspring appear grey. However, when the offspring inherit one dominant allele and one recessive allele from each parent, the recessive alleles are able to express their phenotype in a ratio of 7 black feathers: 8 white feathers offspring.
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A human baby is born with two X chromosomes what must be true about
this baby
Answer:
It is a Female
Explanation:
Choose the option that best matches the description given. Therapy sessions may involve an individual or a group of clients who meet with a counselor or therapist to discuss their thoughts, feelings, and .
Therapy sessions involve a collaborative process between the therapist and the client or group of clients.
Therapy sessionsThe purpose of these sessions is to provide a safe and supportive space for individuals to explore their thoughts, feelings, and behaviors in order to better understand and cope with the challenges they are facing in their lives.The therapist will listen to the client's story and help them to identify patterns and connections between their experiences and feelings.The therapist will also provide guidance and support to help the client find more effective ways to cope with their difficulties.Therapy sessions may also involve role-playing, relaxation techniques, and problem-solving activities.Therapy sessions are beneficial for many individuals and can help to reduce stress, anxiety, depression, and other mental health issues.To learn more about Therapy sessions refer to:
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Differentiate blunt ends and sticky ends and how each can be used?
What happens to Claire's baby in Outlander?.
Claire's baby died in a miscarriage in Outlander.
Clаire Frаser is one of the most empowering chаrаcters in the romаntic fаntаsy Outlаnder. Clаire hаs trаveled аcross the world with her hаndsome Highlаnder husbаnd аfter mysteriously pаssing through а circle of stones аnd lаnding up in 18th century Scotlаnd.
Clаire might hаve experienced the most fаntаstic аdventures, but she hаs аlso been through severe trаumа. She hаs seen blood, gore, аnd guts spilling out of people she couldn't sаve. She hаs аlso lost а bаby in а pаinful miscаrriаge аnd lived twenty yeаrs of her life in аn unhаppy mаrriаge аwаy from the mаn she loved.
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Which of the following processes would increase variation in a population?
1. Adding a new food source to the environment.
2. Inheritance of random portions of genes from each parent.
3. A population choosing to remain in the same environment.
A decrease in mutations due to a stable environment.
The following processes which would increase variation in a population is inheritance of random portions of genes from each parent and is therefore denoted as option 2.
What is Variation?This is referred to as the difference in DNA among individuals or the differences between populations.
Variation is increased when there are different random traits which are passed on from the parent to the offspring during the process of reproduction. This inherited traits will make the organisms more unique and different hence the reason why option 2 was chosen as the correct choice.
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Read the following description.
When your body becomes dehydrated, the brain detects the lack of water and signals the pituitary gland to secrete a hormone called ADH. ADH travels through the blood and
causes the kidneys to remove less water from the body.
This is an example of which of the following?
O negative feedback to amplify small signals
O positive feedback helping to maintain homeostasis
O negative feedback helping to maintain homeostasis
O positive feedback to amplify small signals
O negative feedback helping to maintain homeostasis
When the brain detects the lack of water in the body and signals the pituitary gland to secrete ADH, which causes the kidneys to remove less water from the body, this is an example of negative feedback. Negative feedback is a mechanism that helps to maintain homeostasis, or balance, in the body by counteracting changes in a particular condition or variable.
It is a mechanism that helps the body to return to its normal state by working in the opposite direction of a change. In this case, the decrease of water in the body triggers a response to conserve the water and return to normal hydration level.
What is one reason funding has such an important effect on scientific research?
Funding targets specific areas of research.
People are not interested in new discoveries.
It encourages scientists to promote findings.
Research results cannot be published without it.
Answer:
Funding targets specific areas of research
Explanation:
Hope this helps
Which process allows glycolysis to continue in the absence of oxygen?
A. Chemosynthesis
B. Photosystem 1
C. Cellular respiration
D. Fermentation
During glycolysis, two ATP were produced, two NAD+ were converted to two NADH + H+, and glucose was split into two pyruvate molecules. Pyruvate will Fermentation when there is no oxygen present.
The NADH + H+ from glycolysis will be recycled back to NAD+ during the fermentation process, allowing glycolysis to continue.
NAD+ is reduced during glycolysis to form NADH + H+. Glycolysis will not be able to continue if NAD+ is not present. The NADH formed in glycolysis will be oxidized during aerobic respiration to reform NAD+ for use in glycolysis again. When oxygen is unavailable or an organism is unable to perform aerobic respiration, pyruvate undergoes a process known as fermentation. Because fermentation does not require oxygen, it is classified as anaerobic. The NADH + H+ produced by glycolysis will be replenished by fermentation.
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Why do leaves fall without changing color?.
Leaves fall but do not change color as the temperatures drop and days become shorter as the seasons change. Trees receive less direct sunlight, and the chlorophyll in their leaves degrades.
The absence of chlorophyll reveals yellow and orange pigments that were previously hidden in the leaves during the warmer months. Darker red leaves result from a chemical change: sugars trapped in the leaves produce new pigments (called anthocyanins) that were not present during the growing season. Some trees, such as oaks and dogwoods, are prone to producing red leaves.
A late spring or a severe summer drought can cause the onset of fall color to be delayed by a few weeks. A warm period in the fall will also reduce the intensity of the autumn colors. Warm, wet spring weather, pleasant summer weather, and warm, sunny fall days with cool nights should result in the most vibrant autumn colors.
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43. Which of the following has a closed blood vascular system?
(a) Cockroach
(b) Hydra
(c) Sponge
(d) Earthworm
(d) Earthworm has a closed blood vascular system.
A closed blood vascular system is a circulatory system in which the blood is enclosed in blood vessels and is circulated by a heart. The blood vessels transport oxygen and nutrients to the cells and remove waste products. This type of circulatory system is more efficient than an open circulatory system, in which the blood flows through the body cavity and does not have a dedicated network of vessels. Earthworms have a closed blood vascular system with a tubular, segmented body, which has a well-defined circulatory system consisting of a heart, blood vessels and capillaries. The blood vessels transport oxygen and nutrients throughout the body, which are essential for the earthworm's survival. Cockroaches, Hydra and Sponges do not have a closed blood vascular system.
Hope This Helps You!
Answer:
(d) Earthworm
Explanation:
Closed blood vascular means that the worm's blood flows only in one direction and is contained within vessels. And there are three main vessels that supply the blood to organs within the earthworm : 1- the aortic arches, 2- dorsal blood vessels, and 3- ventral blood vessels.
Explain how a palisade mesophyll cell is adapted for its function
Palisade mesophyll cells are closely sealed to soak maximum light. They are at right angles to the leaf surface to reduce the number of transverse walls. A large vacuole pushes the chloroplast to the edge of the cell.
Chloroplasts at the edge enable a shorter diffusion path for carbon dioxide and absorb maximum light. There are cylindrical cells and air spaces to provide a store of carbon dioxide. These cells provide a large surface area and moist cell surface for easy diffusion of gases. Chloroplasts in these cells can move towards light and move away from high light intensity to avoid damage.
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the cell fragments that are a component of blood are
The cell fragments that are a component of blood are red blood cells, white blood cells, platelets, and plasma.
What do you mean by cell fragments?
Cell fragments are small pieces of cells that have been broken down due to mechanical, chemical, or biological processes. They may include parts of the cell membrane, organelles, and other cellular components. Cell fragments can be found in a variety of biological samples, such as blood and tissue.
Red blood cells (also known as erythrocytes) are the most abundant type of cell in the blood and they carry oxygen throughout the body. White blood cells (also known as leukocytes) are the main component of the body’s immune system and they help protect the body from infection. Platelets (also known as thrombocytes) are small cell fragments that help the blood clot when there is a wound. Plasma is the liquid component of the blood and it helps transport blood cells, hormones, and other substances throughout the body.
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How do you make RNA from a cell?.
DNA transcription, which shares certain characteristics with DNA replication in how it produces all of the RNA in a cell, is how DNA is replicated. A little section of the DNA double helix is first opened and unraveled during transcription in order to reveal the nucleotides on each DNA strand.
Simply put, producing a gene's matching protein is called expression, and it involves a complex process with two main components. The initial step of transcription is the transformation of DNA information into an mRNA (messenger RNA) molecule. The manufacture of a pre-mRNA molecule is aided by the enzyme RNA polymerase II, which also catalyzes the transcription of complementary base pairs from a gene's DNA to create mature mRNA. The resulting mRNA needs to be translated into a protein molecule because it is a single-stranded copy of the gene.
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