Consider a Gene with N Alleles A₁, A₂

Multiple Choice

Consider a gene with n alleles A₁, A₂, ..., A_n. How many distinct genotypes are possible, taking into account both homozygous and heterozygous genotypes?

A) n²
B) n²/2
C) n(n -1)
D) n(n - 1) /2
E) n(n + 1) /2