Hardy-Weinberg Equilibrium

Parental generation: 2 alleles, r and R

f (r) + f (R) = 1.0

q + p = 1.0 p = 0.1, q = 0.9

In the next generation (F1), genotypes and allele frequencies are predicted by:

p2 + 2pq + q2 = 1

F1 genotype Genotype Allele freq.

p2 (.01) RR p = 0.01+.18/2= .1

q2 (.81) rr q = 0.81+.18/2 = .9

2pq (.18) Rr

27a-1

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