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Are sex-linked traits that are recessive phenotypes most often seen in men or woman?
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∙ 10y ago
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Wiki User
∙ 10y ago
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Why is there a wide range of phenotypes in polygenic inheritance?
"polygenic inheritance"- the inheritance of quantitative traits, traits which are influenced by multiple genes. Polygenic inheritance shows how multiple genes in combination with a person's environment can influence someone's phenotype, or physical appearance. A wide range is produced because the gene combinations are vast.
Why do recessive trail are more common in some cases?
They're not necessarily, but they can be. When a recessive trait is more common, it likely because it was advantageous to have that trait so the species evolved to have more of it in the gene pool. Also, since dominant traits are expressed over recessive traits, natural selection has more of an effect on them.
Are human limb mutations dominant or recessive?
Most definitely dominant. This is why they are a rarity. They'd occur more often if they were recessive.
Why are recessive alleles not removed from populations over time?
If the recessive genotype is selected for more often than the dominant genotype, the recessive allele will become more common than the dominant allele in the gene pool.
What does co-dominance mean in genetics?
Codominance is when neither trait is dominant nor recessive. Both traits are equally likely to occur and the offspring is often from a blending trait. For example, if two co dominant animals mate and one is brown and the other is white, the offspring will be a blending of both colors.
Is it true that sexlinked recessive disorders are most often passed from mothers to sons?
true
Why is there a wide range of phenotypes in polygenic inheritance?
"polygenic inheritance"- the inheritance of quantitative traits, traits which are influenced by multiple genes. Polygenic inheritance shows how multiple genes in combination with a person's environment can influence someone's phenotype, or physical appearance. A wide range is produced because the gene combinations are vast.
Is there a way to make an educated guess using genetics based on the fathers of your husbands children?
Children and parents often have the same phenotypes. Phenotypes are the physical manifestation of one's genotype (meaning one's genes). If a child has any particular traits that the mother does not, then it is likely that if the father shares these traits with the child that he is the father. However, this is not foolproof and I would highly recommend a paternity test.
Which letters are used for dominated and recessive characteristics?
In genetics, dominant traits are typically represented by uppercase letters (e.g., "A"), while recessive traits are represented by lowercase letters (e.g., "a"). This notation helps geneticists distinguish between dominant and recessive alleles in a genetic cross.
Why do recessive trail are more common in some cases?
They're not necessarily, but they can be. When a recessive trait is more common, it likely because it was advantageous to have that trait so the species evolved to have more of it in the gene pool. Also, since dominant traits are expressed over recessive traits, natural selection has more of an effect on them.
How do traits appear in the next generation?
Phenotypic traits are how certain, inherited genes are expressed.During reproduction, both the mother and father gives their child a chromosome, which often results in the child displaying traits similar to his/her parents'.
When a trait seems to disappear or doesnt show up often?
Recessive Trait
Condition of being heterozygous for a recessive trait?
If you are heterozygous this means you carry both a dominant and recessive allele. if you are heterozygous for a recessive trait then you will have a dominant and recessive allele. example: let T represent tall and t represent short. a person with heterozygous for a recessive trait will have 'Tt'.
Are human limb mutations dominant or recessive?
Most definitely dominant. This is why they are a rarity. They'd occur more often if they were recessive.
What is the different between dominant and recessive?
Dominant trait is the one which is expressed when the homologous pair of genes controlling it are either homozygous or Hetrozygous dominant; on the other hand recessive trait has both genes to be homozygous recessive. in fact trait is controlled by the form of genes. Dominant gene expresses even when it is in the company of recessive gene. However recessive gene expresses only when in company of recessive gene
How does the inheritence of X linked traits differ from that of other traits?
X-linked traits are transferred from parents, or a parentto their offspring on the X Chromosome. That is the biggest difference--as opposed to being located on any chromosome, X-linked traits are only transferred on X Chromosomes. A common X-linked trait is actually colorblindness. Often, X-linked traits or disorders are recessive; since men have only one X chromosome (because they are XY), they are often more prone to X-linked disorders, whereas women, who have two X chromosomes, often become "carriers"--that is, they have one X chromosome with a certain trait, but the other X chromosome has a dominant trait that masks the manifestation of the other trait.
Why are recessive alleles not removed from populations over time?
If the recessive genotype is selected for more often than the dominant genotype, the recessive allele will become more common than the dominant allele in the gene pool.
