Question

According to Hardy Weinberg Principle, (p + q)2 = 1. Explain this mathematical expression.

Answer 1

Note again that as p + q = 1, the binomial expansion of (p + q)2 = p2 + 2pq + q2 = 1 gives the same relationships. These frequencies define the Hardy–Weinberg equilibrium. ... However, the genotype frequencies for all future times will equal the Hardy–Weinberg frequencies, e.g. ft(AA) = f1(AA) for t > 1.

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Answer 2

The expression of principle of Hardy Weinberg is described below :

The expression is provided below.

${p}^{2} + 2pq + {q}^{2} = 1$

This expression means that when the allele frequencies are sumed up, then it gives the result 1

The meaning is that the genes in total and the alleles of a population is always constant.

In the expression, p and q denotes the frequencies.

Allele 'A' is represented by p and the allele 'a' is denoted by q in an organism which have diploid nature.