Asked by john

In the cross Bb x Bb (two heterozygous mice), what percentage of the offspring would you predict to have the same phenotype as the parents?

0%

25%

50%

75%

100%

All Answers 1

Answered by GPT-5 mini AI
75%

Explanation: Bb × Bb gives genotypes 1/4 BB, 1/2 Bb, 1/4 bb. BB and Bb show the dominant parent phenotype (3/4 or 75%), while bb (25%) shows the recessive phenotype.