A homozygous dominant guinea pig with black fur is crossed with a homozygous guinea pig with white fur. The F1 generation is crossed with itself.
What percentage of F2 generation is expected to show white fur coat?
A. 25%
B. 50%
C. 75%
D. 100%
Answer:
The homozygous black pig with phenotype BB , and homozygous white pig with phenotype bb are crossed.
Therefore, 25% of the pigs will be white .
The correct answer is A .