Mary has a full head of black hair. Her father has a full head of black hair, he
ID: 264446 • Letter: M
Question
Mary has a full head of black hair. Her father has a full head of black hair, her mother use to have black hair but is now bald, but Mary has a sister with red hair. Tom comes fro a family of red heads. His father, mother and sister all have a full head of red hair. Tom used to have red hair, but is now bald. What is the probability that Mary and Tom will eventually go bald? Black hair is an autosomal dominant trait, red hair is an autosomal recessive trait, and baldness is an autosomal sex-infulenced trait that is dominant in males and recessive in females.
The answer is 1/8 according to my teacher, please explain how you get this answer because when I did the calculations I got 3/16...
Thank you so much in advance!
Explanation / Answer
Mary has a full head of black hair. Her father has a full head of black hair, he