Suppose That the Gene That Determines How Many Fingers a Person

question 152

Multiple Choice

Suppose that the gene that determines how many fingers a person has is coded such that having 5 fingers is dominant and having 6 fingers is recessive. If a person's mother has 5 fingers and his father has 6 fingers, what is the probability that he will be born with 6 fingers?

• A) 0 %
• B) 50 %
• C) 100 %
• D) the percent cannot be determined because we do not know if his mother is homozygous or heterozygous for this trait