In a Population,the D →D Mutation Rate Is 4 *10^-6

Multiple Choice

In a population,the D →d mutation rate is 4 *10^-6.If p = 0.8 today,what will p be after 50,000 generations?

A) 0.1
B) 0.25
C) 0.65
D) 0.8
E) None of the answer options are correct.