The evolution of populations due to chance is
a)genetic drift.
b)has more effect in large populations than in small populations.
c)gene flow.
d)natural selection.
e)genetic variation.

Urgent in guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?