I will mark brainiest who ever answers first !! Please answer both of them in the pic above :) I think I know the answer just want to make sure I’m correct!

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?