If a homozygous black haired guinea pig (BB) is crossed with and homozygous white haired guinea pig (bb), what is the probability that an offspring will have black fur?
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4 points
25%
75%
50%
100%
The genotype of the homozygous black-haired guinea pig is BB, and the genotype of the homozygous white-haired guinea pig is bb. When these two parents are crossed, all the offspring will have the genotype Bb, which means they will have black fur.
Therefore, the probability that an offspring will have black fur is 100%.