In a certain mouse population, gene B codes for black fur, and b codes for brown fur. This gene follows the Mendelian inheritance pattern - the trait is only determined by one gene. What is the phenotype of a mouse that has the genotype Bb? (1 point)

Question

Responses

fur with black hairs
fur with black hairs

fur with yellow hairs
fur with yellow hairs

fur with brown hairs
fur with brown hairs

fur with both black and brown hairs

Answer 1

The phenotype of a mouse that has the genotype Bb will be "fur with black hairs." In this case, the allele B for black fur is dominant over the allele b for brown fur, so the presence of one B allele will result in black fur.