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What is a dominant genes?

Updated: 11/20/2022
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14y ago

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A dominant gene or variant, refers to gene alleles ("variants") that "beat" other (recessive) genes. Meaning that if an individual has both a dominant and a recessive allele for a certain trait, the dominant allele will express itself "over" the recessive one, affecting the phenotype accordingly.

A common example, while being a simplification of the actual complexities of the matter, is hair color. Brown hair is dominant over blond hair. A person with blond hair has both genes for that trait recessive, while a person with brown hair can have either both "brown hair color" genes or one "brown hair color" gene plus one "blond hair color" gene.

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14y ago
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14y ago

gene that produces the same phenotype in the organism whether or not its allele identical.

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13y ago

An uppercase letter

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Q: What is a dominant genes?
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Related questions

Are polygenic genes dominant genes?

Polygenic genes are usually dominant genes.


Are the fathers genes always the dominant genes?

No - the father's genes are not always the dominant genes.


Do dominant genes affect recessive genes?

The dominant genes take over, and then the recessive genes hide away


How do dominant and recessive genes work?

explain how dominant genes work


Which genes are dominant and which are recessive?

Dominant genes are always expressed in preference to recessive genes in cased where both genes are present.


The most powerful genes are said to be?

Dominant, as in dominant and recessive (weaker) genes.


Are freckles dominant recessive or dominant dominant?

dominant genes for freckles


What will happen if an organism has the dominant gene?

Dominant genes express themselves, phenotype depends upon genes .


What is the difference between homzyguos and heterozyous?

Homozygous recessive: is when the genes are both recessive Homozygous dominant: is when the genes are both dominant (traits show) Heterozygous dominant: is when one gene is dominant and one is recessive (traits show) Heterozygous recessive: is the same as heterozygous dominant but the dominant genes are inactive


What are capital genes?

capital genes are dominant genes as they are written by capital letters


A trait which results from two dominant genes is called?

It would depend on if the dominant genes are the same or different. Say the dominant alleles were different. In this case, they are co-dominant. If they are the same and both dominant homosytus.


What passes on traits to offspring?

What passes traits to it's offspring is the dominant genes that over power the non dominant genes. Whether there are more dominant genes also depends a lot on who the other mate is.