Answer :
At a certain genomic region, an allele is one of two or more variations of the DNA sequence (a single base or a segment of nucleotides).
The sum of the alleles is equal to the sum of the people multiplied by two. Because there are two BB genotypes and two Bb genotypes in the small population, 2x2 + 2 = six B alleles. 5 people equal a total of 2 x 5 = 10 alleles. 6/10 = 60%. The Hardy-Weinberg equation, p2 + 2pq + q2 = 1, describes allele frequency and how these alleles are divided into genotypes within a population. The three variables p2, 2pq, and q2 represent the genotypes, whereas the two variables p and q stand in for the alleles. Each locus contains two alleles since they are found on chromosomes, and we receive one chromosome from each of our parents.
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