In a certain species, the allele for blue eyes (b) is recessive to the allele for brown eyes (B). If a brown-eyed man (Bb) marries a blue-eyed woman (bb), what is the probability that their child will have blue eyes?
Practice Questions
1 question
Q1
In a certain species, the allele for blue eyes (b) is recessive to the allele for brown eyes (B). If a brown-eyed man (Bb) marries a blue-eyed woman (bb), what is the probability that their child will have blue eyes?
0%
25%
50%
100%
The cross Bb x bb results in 50% Bb (brown) and 50% bb (blue), so the probability of having a blue-eyed child is 50%.
Questions & Step-by-step Solutions
1 item
Q
Q: In a certain species, the allele for blue eyes (b) is recessive to the allele for brown eyes (B). If a brown-eyed man (Bb) marries a blue-eyed woman (bb), what is the probability that their child will have blue eyes?
Solution: The cross Bb x bb results in 50% Bb (brown) and 50% bb (blue), so the probability of having a blue-eyed child is 50%.
