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In genetics, each organism will typically have 2 alleles for each trait. For a trait such as hair color, you might have an allele for red hair from your dad and an allele for brown hair from your mom. The trait for brown hair happens to be dominant to the trait for red hair so you would show the allele for brown hair. (In other words, you would have brown hair.)

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Is a recessive allele different from a dominant allele?

Yes, a recessive allele is masked or overridden by a dominant allele in a heterozygous individual. This means that the dominant allele's trait will be expressed. In contrast, a recessive allele's trait will only be expressed if an individual has two copies of the recessive allele.


What can be dominant or recessive?

Alleles can be dominant or recessive


Is a dominant or recessive variant of a particular gene?

A dominant variant of a gene is expressed when only one copy of the variant is present, masking the recessive variant. In contrast, a recessive variant is expressed only when two copies of the variant are present.


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What is the difference dominant and recessive trait?

Dominant traits are the traits that mask the recessive traits. The dominant traits are stronger than recessive!


What is difference between a dominant trait and a recessive trait?

A recessive trait is a trait that is not shown or expressed physically but is retained within the persons genes, whereas a dominant trait is a trait which opresses the recessive trait and is prodominantly shown or expressed physically. For example it is possible for two red-haired parents, both with recessive dark haired genes, to have a dark haired child. they must both have the recessive gene or the dominant gene of red - hair will be expressed in the child


Is co-dominant recessive?

No, codominance is a genetic relationship between two versions of a gene where both versions are expressed in the phenotype. In contrast, recessive traits are only expressed when an individual has two copies of the recessive allele.


Is a situation in which a dominant allele completely masks a recessive allele for a gene.?

If you have 2 dominant alleles, the gene will be dominant, if you have 2 recessive alleles, the gene will be recessive. But if you have 1 recessive and 1 dominant, the Dominant allele will mask the recessive one.


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When does a recessive trait dominant over a dominant trait?

A recessive trait cannot be dominant over a dominant trait. Dominant traits are always expressed over recessive traits in heterozygous individuals because they mask the expression of the recessive trait.


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