Hardy–Weinberg Equilibrium Genotype Frequencies for Three Alleles of a Gene

Table 20.3 Hardy-Weinberg Equilibrium Genotype Frequencies for Three Alleles of a Gene (a) Genotype prediction for three alleles Genotype Genotype Frequency A1A1 p2 A1A2 2pq A1A3 2pr A2A2 q2 A2A3 2qr A3A3 r2 (b) Hardy-Weinberg analysis of ABO blood group data Genotype Genotype Frequencya Blood Type 1"!" p2 = (0.23)2 = 0.053 A W 2pr = 2[(O.23)(O.68)] = 0.314 A [BIB q2 = (0.09)2 = 0.008 B [Bi 2qr = 2[(0.09)(0.68)] = 0.122 B IAIB 2pq = 2[(0.23)(0.09)] = 0.041 AB ii r2 = (0.68)2 = 0.462 o aWhere “All = P2 f(A2) = 6;: f(A3l = r; andp + q + r :10