Respuesta :
In an individual heterozygous for a single
trait, the probability of the recessive allele being present in a gamete is 50 percent.
This can be referred as the variant form of a gene. In an individual heterozygous for a single trait there is the presence of the dominant and recessive allele present in the gamete. This however means that the probability of the recessive allele will be 1/2 which is equal to 50 percent.
The allele that fails to express itself in presence of its contrasting dominant allele is called as recessive allele. Recessive alleles can be expressed only in homozygous conditions of any generation. For instance, alleles of blue eyes are recessive, hence for one to have blue eyes, two copies of the blue eye allele must be present.
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