Phenylketonuria is an inherited disease caused by a recessive allele. If a woman and her husband, who are both carriers, have three children, what is the probability of all three children having a normal phenotype

a. population growth is decreasing

-2

+4

-10

-3

-8

-3

so the population decreased by 24 because 3+3+8+10+2=26-2=24.

hoped i !

explanation:

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;