When a sister mates with her brother, there is a ________ chance that he will carry the same deleterious recessive gene that she does.
A) 50%
B) 25%
C) 100%
D) 75%

Name: When a sister mates with her brother, there is a ________ chance that he will carry the same deleterious recessive gene that she does. A) 50% B) 25% C) 100% D) 75%
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Question

Quizplus · Accepted Answer

Siblings share, on average, 50% of their genes due to common parentage, meaning there is a 50% chance a brother carries the same deleterious recessive gene as his sister.

When a Sister Mates with Her Brother, There Is a ________