The patterns of inheritance best explain the transmission of the trait is Autosomal dominant. Thus the option D is correct.
What is the autosomal dominant?The term refers the genetic characteristics of the disease that lies in the chromosome. The dominant means the single copy of the disease that is linked by mutations and causes the disease.
They include disease like Huntington's disease, neurofibromatosis, and polycystic kidney disease.The pedigree in the figure shows the transmission of a trait in a particular family. Based on this pattern of transmission, the trait is most likely.
Therefore, The patterns of inheritance best explain the transmission of the trait is Autosomal dominant. Thus the option D is correct.
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if 2n is four, then number of possible combinations of chromosomes in the resulting gametes, excluding any crossing-over, is:
In a diploid body cell, there are 2n = 4 chromosomes—2 from the mother and 2 from the father.
The exchange of genetic material between the non-sister chromatids of two homologous chromosomes during sexual reproduction, or chromosomal crossover, leads to recombinant chromosomes. Genes from the mother and father typically "cross over" or are scrambled to create a genetic mix particular to each baby. However, because the Y chromosome does not experience crossing over, its genes have a propensity to age prematurely and repetitive DNA sequences build up.When two non-sister chromatids on homologous chromosomes exchange genetic material during sexual reproduction, recombinant chromosomes are created. This process is known as chromosomal crossover, or crossing over.
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during which stage of translation does mrna join with trna and two ribosomal subunits? a. termination b. elongation c. initiation d. staging e. promotion
During initiation stage of translation mRNA joins with tRNA and two ribosomal subunits.
What is initiation?
The start of transcription is called initiation. It happens when the RNA polymerase enzyme interacts with the promoter, a portion of a gene.
This instructs the DNA to unwind so that the enzyme can "read" the bases in one of the DNA strands. The enzyme is now ready to assemble a complementary base –sequenced mRNA strand.
The small ribosomal subunit attaches to the beginning of the mRNA sequence during initiation. Then the so-called start codon of the mRNA sequence attaches to a transfer RNA (tRNA) molecule carrying the amino acid methionine.
All mRNA molecules have a AUG-coded start codon, which denotes methionine.
Therefore, During initiation stage of translation mRNA joins with tRNA and two ribosomal subunits.
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What is proliferation in biology?.
Answer: mitosis
Explanation:
The spontaneous loss of amino groups from adenine results in hypoxanthine, an uncommon base, opposite thymine in dna. What combination of molecules could repair such damage?.
The combination of molecules that could repair such damage is DNA ligase, replication fork proteins, and adenylyl cyclase. Hypoxanthine, an uncommon base, opposite thymine in DNA, is the result of the spontaneous loss of amino groups from adenine.
An amino group is taken out of a molecule through deamination. Deaminases are the enzymes that catalyse this process. Deamination typically occurs in the liver; however it can also happen in the kidney, in the human body. Deamination is utilised to break down amino acids for energy in instances where there is an excessive intake of protein. Ammonia is created when the amino group is taken out of the amino acid. The remaining amino acid is recycled or oxidised for energy and is primarily composed of carbon and hydrogen. When adenine is deaminated, hypoxanthine is produced. Similar to the imine tautomer of adenine, hypoxanthine preferentially bases pairs with cytosine as opposed to thymine. As a result, the initial A-T base pair undergoes a post-replicative transition mutation, changing into a G-C base pair.
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Traits controlled by genes on the x chromosome are called sex-linked traits. In what individuals are recessive sex-linked traits more commonly expressed?.
Males have one X chromosome and one Y chromosome, while females have two X chromosomes.For an X-linked trait to manifest in females, it must either be recessive with both alleles carrying .
The recessive type or dominant with two alleles that express the trait.However, because males only have one X chromosome, only one gene for any trait can really cause the trait in males. As a result, males will express sex-linked recessive features more frequently than females.The X chromosome is connected to some recessive genes that cause genetic abnormalities in humans. Males are more likely than females to have these flaws. This is due to the requirement that any gene with a recessive allele on chromosome X express itself phenotypically in males.Humans have two recessive sex-related characteristics that are found on the X chromosome: haemophilia and colour blindness. A blood clotting condition called haemophilia prevents blood from clotting.When a person has colour blindness, they are unable to discriminate between the colours of red and green.
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genome-wide association studies (gwas) found significant changes in ease of research once they were able to use as a way to identify intelligence.
Genome-wide association studies (GWAS) aid in the identification of genes linked to a certain disease (or another trait). This strategy examines a big population's complete genome in an effort to find tiny changes known as single nucleotide polymorphisms, or SNPs.
A fixed P-value threshold of 5 108 is frequently employed in genome-wide association studies (GWAS) to detect associations between common genetic variants and desirable traits while accounting for multiple testing.While whole-exome sequencing (WES) and whole-genome sequencing (WGS) investigations strive to capture all genetic variation, genome-wide association studies (GWAS) typically use targeted genotyping of specific and preselected variants utilizing microarrays.
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HELPPP!!!!!! Which method would a cell use to get rid of waste and maintain homeostasis? A. Part of the cell membrane surrounds waste particles and digests them. B. A vesicle joins with the cell membrane and releases material from the cell. C. Protein pumps use energy to move large sugar molecules into the cell via active transport. D. The cell nucleus directs the ribosomes to make the waste into proteins that the cell can use.
A cell used to get rid of waste and maintain homeostasis is the cell nucleus directs the ribosomes to make the waste into proteins that the cell can use. Option D.
The metabolic functions of cells produce waste products. Exocytosis helps maintain cell homeostasis by clearing out these waste products as they accumulate within cells and disrupt cellular function. of a molecule along a gradient.
Cell membranes enable organisms to maintain homeostasis by regulating substances that can enter and leave the cell. Some substances pass through cell membranes without energy input. Other substances require energy input to penetrate cell membranes. Lysosomes and peroxisomes are often referred to as the cell's garbage disposal system.
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The rate of transcription for a gene is found to be affected by a mutation. Where would you expect the mutation to appear on the dna?.
I would expect the mutation of the gene to appear on the DNA at the promotor for the gene.
What is mutation?Mutation is defined as the alteration or change in the patterns of the sequence of nucleic acids of gene of an organism.
There are various types of mutation that include the following:
missense, nonsense, insertion, deletion, duplication, and frameshift.The promotor of a gene is the area where transcription of RNS polymerase takes place therefore, mutation of the gene would most probably occur at that site.
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What would be the effect of a mutation in the laci gene that prevented the repressor from binding to allolactose?.
иуда покер фейс леди гага бэд романс
DUE NOW!!! pls help meh
.
The following would be the responses:
Geosphere and hydrosphere: condensation of water vapor on a glass.
Lena inhales deeply to think about the biosphere and atmosphere.
Grady goes for a swim in the ocean. Hydrosphere and biosphere.
Brutal winds in the desert weather sandstone, combining the geosphere and atmosphere.
How does the hydrosphere and geosphere interact?Precipitation, like rain or snow, can fall to the Earth's surface when a portion of the atmosphere becomes saturated with water. By encouraging surface processes like erosion and weathering, which gradually reduce big boulders into smaller ones, this precipitation links the hydrosphere and the geosphere.
The atmosphere comprises the winds and the air that surrounds us.
The term "biosphere" describes the biotic elements.
All those spheres now interact with one another, and it is because of these interactions that our universe is created and how life on Earth can coexist.
Grady is a living creature, and the ocean is composed of water, as can be shown by comparing the characteristics of each sphere.
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when reinforcement occurs, the trait(s) involved in reproductive isolation between the hybridizing parental species (or populations) are
When reinforcement occurs, the trait(s) involved in reproductive isolation between the hybridizing parental species (or populations) are more different in sympatry than they are when the two species are in allopatry.
Sympatry is defined as the the presence of two or more related species in the same geographical area at the same time. These species are related because they have been evolved from the same ancestral species but yet are reproductively isolated.
Allopatry is defined as the the presence of related species in areas that are geographically isolated from each other. These species too are evolved from same ancestral species but got isolated in the course of time.
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The overtone series is the physical element of the instrument that acts as the dna of a sound.
The overtone series is a natural phenomenon in which a single pitch produces multiple additional harmonic pitches through mathematical divisions. The set of arising pitches forms the basis for everything we do, for example, jazz musicians. Fundamentally, all western music, including jazz, is rooted in the overtone series.
Therefore, the overtone series is the physical element of the instrument that acts as the DNA of a sound. Some musical instruments make overtones that are a bit sharper or flatter than true harmonics. The sharpness or flatness of their overtones is one of the elements that add up to their sound.
Musical Instruments that can create notes of any desired duration and definite duration and definite pitch have harmonic partials.
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2. Which conditions are necessary for natural selection to occur? Select all of the answers that apply.
a. Inheritable adaptations vary among individuals.
b. The population size is increasing.
c. More individuals are born than can survive.
d. Fitness varies among individuals.
Inheritable adaptations vary among individuals
The population size is increasing.
Fitness varies among individuals.
This conditions are necessary for natural selection to occur
What is natural selection?
Nature's harsh conditions exterminate those who are unable to evolve. Those who are unable to pass on their survival skills to their kids are likewise eliminated. The term "Natural Selection" refers to the idea that those that adapt and procreate are being naturally chosen to live.
Natural selection is the method by which the pressure of selection chooses the traits that are more useful. Darwin's theory of natural selection emphasises the choice of an organism's advantageous traits that increase its chances of survival and reproduction. It is a methodology based on adaptation and modification.
Darwin used the finches of the Galapagos Islands as an example. From the same island, the finches spread out to the many Galapagos islands. This causes their beak sizes to change. The size of the beaks varies among finches due to their varied environments and diets.
Hence the correct option is a,b, and d.
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When a trait is x-linked, a single recessive allele is sufficient for a male to be affected. Why?.
A man may be stimulated via way of means of an X-connected feature with simply one recessive gene (due to the fact the male is hemizygous – he best has one allele of an X-connected trait).
Males have a tendency to develop X-connected recessive ailments greater frequently. One X chromosome is all that men have. On that X chromosome, the situation is due to a unmarried recessive gene. The 2d XY gene pair in a male is placed on the Y chromosome.
To purpose the disorder in women (who've X chromosomes), a version might want to exist in each copies of the gene. Males have mutated copies of this gene due to the fact it's far implausible that women will are considerably greater usually than women laid low with X-connected recessive diseases.
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The Periodic Table Help
Answer:
C
Explanation:
because im right obviously, give me brainliest please!
Which describes how the Atlantic Ocean and the Pacific Ocean changes over time?
The Atlantic ocean per year is growing per year at the rate of centimeters and this is because of the volcanic activities that is taking place along the mid ocean ridge. Pacific ocean is shrinking 2 to 3 Cm.
What is the number of the oceans on Earth ?
The number of oceans on the planet is 7.
When the tectonic plates of the sea floor is getting split at that time is creating a new oceanic crust that is the main reason of the spread of the oceans mentioned in the question.
While the Pacific ocean is shrinking continuously but the Atlantic ocean is continuously expanding. There will be a time when the Europe and the North America will be joined together through the chain of mountains.
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which of the following is occupying a niche within a habitat? a. mossy gaps between rocks in fast moving streams. b. a wolf hunting elk in yellowstone national park. c. alder thickets along stream banks in yellowstone national park. d. the high canopy (treetops) in a rainforest.
The example of organism occupying a niche within a habitat is: (b) a wolf hunting elk in Yellowstone national park.
Habitat is the place where an organism has its home. Habitat is that suitable area which fulfils all the requirements of an organism including the food, favorable environment, etc. For example, a lion lives in a forest than forest is the habitat of the lion.
Niche is the actual functional area within the habitat. It is the actual area in which the organism lives and performs all of its functions. For example if the lion lives in the forest then it does not utilize in the entire forest. Instead it lives in its den and also roams in the nearby region only to hunt its food and meet other demands.
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A mutation that knocked out the proofreading function of dna polymerase would result in __________.
A mutation that knocked out the proofreading function of dna polymerase would result in a higher-than-normal rate of DNA synthesis errors. Without this proofreading function, incorrect nucleotides would be inserted about once every 100,000 bases instead of once every 10,000,000 bases.
What is proofreading function of dna polymerase ?It enables the enzyme to examine each nucleotide as DNA is being synthesised and remove any mismatched ones in the 3' to 5' direction. A polymerase can also remove unpaired 3' overhanging nucleotides to produce blunt ends thanks to the proofreading domain.
DNA polymerase proofreading is crucial for preventing unacceptably high mutation rates brought on by mistakes in nucleotide incorporation and the replication of harmed DNA.Learn more about Proofreading function here:
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classify each pollutant based on the category that best describes its impact on waterways.
a. trig water from the bottom of reservior
b. acid drainage from an abandoned coal mine
c. medical waste from a hospital dumped in an ilegal location
d. herbicide from a soccer field
e. clay soil from alnd cared for home construction
f. phosphorous-rich fertilizer from agricultural land
g. nitrogen-rich grass clippings from a mowed town
1. nutrient pollution
2. sediment
3. thermal pollution
4. toxic chemicals
5. pathogens and waterbome diseases
a. Trig water from the bottom of the reservoir - 5. Pathogens and aquatic diseases
B. acid drainage from an abandoned coal mine -4. Toxic chemical products
c. medical waste from a hospital dumped at an illegal site
d. herbicide from a football field
e. clay soil of alnd care for building houses - 2. sediment
f. phosphorus-rich fertilizer from farmland - 3. thermal pollution
g. nitrogen-rich grass clippings from a cut city - 1. nutrient pollution
What pollution?Pollution means the introduction by man, directly or indirectly, of substances or energy into the environment, causing a negative effect on its balance, thus causing damage to human health, living beings and ecosystems.
Why is pollution bad?Among the main causes of death due to air pollution, we can highlight strokes, heart diseases and respiratory diseases. Furthermore, published data show a close relationship between air pollution and deaths from lung cancer.
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Listen With some exceptions, such as the giant bacterium Epulopiscium fishelsoni, the size of archaeal and bacterial cells is limited by a) diffusion across the cell membrane. b) the lack of complex intracellular membranes. c) the complexity of their metabolic pathways. d) the complexity of their proteome. e) the size of their genome. Question 70 (1 point) Listen Amebas that have filamentous pseudopods can be found in which categories? a) cellular and plasmodial slime molds b) dinoflagellates and apicomplexans c) trypanosomes and metamonads d) diatoms and algae e) radiolarians and foraminiferans
The Red Sea's brown surgeonfish (Acanthurus nigrofuscus) gut symbiont, Epulopiscium fishelsoni, grows larger than any other eubacterium.
What trait does Epulopiscium Fishelsoni possess?Gram-positive, rod-shaped Epulopiscium fishelsoni bacteria. One of the biggest bacteria is it. It can expand to a size of 600 by 80 micrometres. Microscopic examination showed that the cell membrane is folded, wrinkled, and has several pockets rather than stretching smoothly around the cell.
What protozoans have pseudopods in them?A large class of unicellular creatures known as amoeboid protists exist in both fresh and salt water. Pseudopods, often known as "false feet," or pseudopodia, are extensions of their cells that they use to move and feed.
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Meiosis is the process by which cells are produced from a cell that was originally diploid.
Answer: They have replicated chromosomes that undergo two nuclear divisions to produce four haploid cells, also called meiocytes.
Explanation: I hope this helps!!!
what is present on the cytoplasmic tails of inhibitory fc receptors and interacts with cytoplasmic proteins to transduce inhibitory signals?
Both Igα and Igβ molecules contains a single ITAM in their cytoplasmic tails which interacts with the receptors and initiate a response through the tyrosine kinase receptors.
What are Fc receptors?Fc receptor is a antibody receptor which is involved in the antigen recognition that is located at the membrane of certain immune cells such as B lymphocytes, natural killer cells, macrophages, neutrophils, and mast cells. Such receptors recognize Fc fragment of antibodies and thus named as Fc receptor.
Igα and Igβ each protein have a single ITAM in their cytosolic tails, these give the B-cell receptor a total of two ITAMs. When the antigen molecule binds, the tyrosine present in these ITAMs become phosphorylated by the receptor-associated Src-family tyrosine kinases Blk, Fyn, or Lyn and initiate the response.
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Inserting or deleting a nucleotide in a protein-coding sequence produces what type of mutation?.
A frame-shift mutant in the gene is defined as the addition or deletion of dna nucleotides in quantities that are not multiples of three.
Describe a case of a mutation.Examples of inherited mutations include sickle cell disease, hemophilia, and cystic fibrosis. Other changes could happen on their own at any time over a person's lifetime. They are sometimes referred to as novel mutations, sporadic mutations, or spontaneous mutations. A small number of cells are impacted.
What happens when a gene is altered?Genetic mutations are when the Genetic code is changed to produce a different outcome. That gene's genomic DNA has undergone permanent modification. Genetic variations are essential for human development, which is the process of transformation through several generations. a single person.
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if you were to go upside down into a handstand, blood pressure would momentarily increase (until the baroreceptor reflex corrects it). why does blood pressure increase when you go upside down? group of answer choices the arterioles vasodilate the abdominal organs push on the arteries, increasing pressure there is increased venous return when the heart is upside down, the ventricular contractility will increase
If you were to go upside down into a handstand, blood pressure would momentarily increase (until the baroreceptor reflex corrects it). why does blood pressure increase when you go upside downslow oxidative.
A normal blood stress degree is much less than one hundred twenty/eighty mmHg. no matter your age, you could take steps each day to preserve your blood pressure in a wholesome range.
The new hints alternate not anything if you're more youthful than 60. however if you're 60 or older, the goal has moved up: Your purpose is to maintain your blood pressure at 150/ninety or decrease. if you have kidney disorder or diabetes, your goal was 130/eighty or lower; now it's 140/ninety or decrease.
Tension doesn't purpose lengthy-time period excessive blood stress (hypertension). but episodes of tension can cause dramatic, temporary spikes in blood stress. If the ones brief spikes occur regularly, which include each day, they could purpose damage to blood vessels, the coronary heart and kidneys, as can continual excessive blood strain.
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It is essential that the human body maintain adequate levels of calcium at all times. A drop in calcium levels stimulates the parathyroid gland to release regulatory hormones. On the other hand, excess calcium in the body signals the thyroid gland to fix the calcium in the bones, thereby reducing the amount of calcium in the blood. What does this process best exemplify?.
Parathyroid is the best process exemplify.
What is Parathyroid ?
The parathyroid glands, which are small glands in the neck behind the thyroid gland, secrete parathyroid hormone.
The hormone parathyroid hormone regulates calcium levels in the blood, primarily by increasing them when they are too low. This is accomplished through its actions on the kidneys, bones, and intestine.
The parathyroid glands are primarily controlled by the negative feedback of calcium levels in the blood. Low blood calcium levels stimulate parathyroid hormone secretion, whereas high blood calcium levels inhibit parathyroid hormone release.
Hypoparathyroidism, or a lack of parathyroid hormone, is a rare medical condition. It can cause low calcium levels in the blood (hypocalcaemia). It is typically treated medically with calcium and vitamin D analogues taken orally, but the availability of parathyroid hormone replacement therapy may change the treatment approach for some patients.
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a scientist is studying the lysogenic cycle of a phage of escherichia coli. this means that she is investigating:
the fusion and stabilization of the lambda 1 phase into the genome of a host cell.
Which phrase best sums up the lysogenic cycle?DNA is directly transferred when two cells are momentarily united in bacteria.
Lytic and lysogenic cycles are the two reproduction cycles that viruses have. The viral genetic material is integrated into the bacterial DNA during the lysogenic cycle and duplicated along with the bacterial genome utilizing the bacterial molecular machinery.
The viral protein is produced throughout the lytic cycle, creating offspring phages that are released from the cell through cell lysis. The new phages then infect additional cells. As a result, the viral genome is stabilized and integrated into the genome of the host cell during the lysogenic cycle.
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The phenotypic ratio of the f2 generation of the dihybrid cross in mendel’s experiment with pea plant was.
The phenotypic ratio of the f2 generation of the dihybrid cross in mendel’s experiment with pea plant was 9:3:3:1.
Mendel observed that the F2 generation of his dihybrid cross had a ratio of 9:3:3:1 and produced nine plants with round, yellow seeds, three plants with round, green seeds, three plants with wrinkled, yellow seeds, and one plant with wrinkled, green seeds. A phenotype refers to the outer appearance of an individual.
Mendel found through his experiment that the parental generation's trait pairs sorted apart from one another from one generation to the next. A mating experiment between two organisms that are equally hybrid for two traits is referred to as a dihybrid cross.
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the discovery of rna interference (rnai) led to its use in biotechnology and medicine. all of the following are examples of how rnai could be used in biotechnology or medicine, except .
RNA interference has potential applications in biotechnology and medicine, except for treating diseases characterized by genes that are not expressed.
What is RNA interference?RNA interference (RNAi) or post-transcriptional gene silencing (PTGS) is a conserved biological response to double-stranded RNA that confers resistance to both endogenous parasites and exogenous pathogen nucleic acids, encoding proteins regulates the expression of genes.
What are the advantages of RNAi?RNA interference is a natural process involved in the regulation of protein synthesis and immunity.One of the advantages of RNAi technology is the rapid development of effective targeted drugs to control tumor growth. Therefore, cancer is one of the prime targets for RNAi-based therapy due to its high relationship with gene expression and cell proliferation.To learn more about RNA interference visit:
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what cells were chloroplast present in? what did they look like in the various cells? be specific.use complete sentences.
Only plant cells contain chloroplasts. They have an oval form with an inner and an outer membrane. The stroma and grana are enclosed by the inner membrane.
All green tissues in plants and algae have chloroplasts in their cells. In photosynthetic tissues that don't seem green, such the brown blades of gigantic kelp or the crimson leaves of certain plants, chloroplasts are also present.
The majority of chloroplasts are blobs with an oval form, however they can also resemble stars or ribbons. A supple outer membrane that contains all of its substance shields them from harm. The colorant chlorophyll is also present in these plastids. The pigment responsible for the green color of plants.
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what are two characteristics that are primitive for mammals but derived for vertebrates? (hint: these would be features that all mammals share, but that other vertebrates do not possess.)
There are two traits that are derived from vertebrates yet are primal for mammals are :
(Vertebrate groups are: fish, amphibians, reptiles, birds, and mammals.)Hair, mammary glands, live birth, homeothermy (warm-blooded)What do vertebrates and mammals have in common?
Vertebrates, which include all fish, amphibians, reptiles, birds, and mammals, are animals with backbones. A backbone is composed of numerous tiny bones called vertebrae. Backbones enclose and safeguard the spinal cord, a bundle of nerves that transmits data to and from the brain.
Therefore, Mammals are different from other vertebrate animals in that their young are fed with milk produced by special mammary glands in the mother.
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