A Rancher Genotypes All of Her 150 Head of Cattle

Multiple Choice

A rancher genotypes all of her 150 head of cattle.In her herd,25 are A₁A₁,75 are A₁A₂,and 50 are A₂A₂.Assuming there is random mating,no selection,no mutation,and no new cattle are introduced into the population,what is the probability that the A₁ allele will be fixed?

A) 0
B) 0.0127
C) 0.4167
D) 0.6588
E) 1