In guinea pigs, black fur is the dominant trait. If a white guinea pig mates with a guinea pig that is heterozygous for its black fur, which combination of offspring best represents the likely outcome from the cross? A.
19 black fur, 1 white fur

B.
1 black fur, 20 white fur

C.
16 black fur, 4 white fur

D.
11 black fur, 9 white fur