In а certаin species оf mоuse, cоаt color is determined by a single gene with two alleles: B = black coat (dominant) b = white coat (recessive) A heterozygous black-coated mouse (Bb) is crossed with a white-coated mouse (bb). Questions: Use a Punnett square to determine the possible genotypes and phenotypes of the offspring. What is the probability that an offspring will have a black coat? What is the probability that an offspring will be homozygous?