How Many Alleles Code For A Gene?


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Lakshmipriya Nair Profile
An allele is defined as any one of the DNA codings that are located at specified spaces or positions on a chromosome. It is a genetic term and is pronounced as al-eel. A gene is a unit of heredity and is responsible for carrying inherited information. It is formed of two or more alleles.

Alleles are a way of knowing the two members of a gene pair which produce opposite contrasting phenotypes. They can be homozygous or heterozygous in nature. Homozygous alleles consist of the same trait while heterozygous alleles are carriers of different traits. Usually alleles are found in a pair and are alternative forms of a gene. Most organisms have two alleles for each trait. Some genes also have more than two alleles.

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