Question

In which situation might a gene pool contain an allele that causes a lethal
disease?
A. If the allele is in the mitochondria
B. If the allele is expressed after reproduction has occurred
C. If the allele is on the Y chromosome
D. If the allele is expressed in its dominant form

Answer 1

not 100% sure but c

Answer 2

correct answer is B; if the allele is expressed after reproduction has occurred.