What will be the frequency of the recessive allele in a population of 100 kangaroos if there are 50 dominant alleles? (I already tried 0.50 and it was wrong) A)150

B)0.25

C)0.75

D)0.50

What will the frequency of the dominant allele in a population of 100 tigers if there are 90 dominant alleles?(I already tried 0.9 and it was wrong)

A)0.9

B)0.1

C)0.45

D)0.55