Question

a breeder of guinea pigs crosses a male guinea pig that has black fur with a female guinea pig that has white fur. The Punnett Square demonstrates the cross which results in offering that all have black fur.using the Punnett Square, identify the term that best describes the genotype of the tffspring. explain why all offspring were born with black fur ?

Answer 1

A. The genotype is 100% Bb or heterozygous Bb. The phenotypic ration is 4:0

B. The result of the cross of dominant BB black fur and recessive white fur guinea pig are all heterozygous Bb.