J.D.,a black Labrador retriever,is heterozygous (Bb)for coat color,where B is black and b is brown.J.D.therefore has a black coat.Bb is J.D.'s

Question

Quizplus · Accepted Answer

J.D.'s genotype refers to the genetic makeup that determines his coat color, which is Bb in this case.

Answer: D
 J.D.'s phenotype refers to the observable physical characteristic, which is his black coat color.

Answer: B, C, and E are not applicable in this situation. 
 Hemizygous state refers to having only one copy of a gene on the sex chromosomes, which is not relevant to coat color inheritance in dogs. Gene conversion refers to an event that can occur during meiosis, but is not relevant to J.D.'s coat color. Homozygous state refers to having two copies of the same allele for a particular gene, but J.D. is heterozygous for coat color.

JD,A Black Labrador Retriever,is Heterozygous (Bb)for Coat Color,where B Is