The inheritance or a particular racial hair pattern in a given ramify is indicat
ID: 91620 • Letter: T
Question
The inheritance or a particular racial hair pattern in a given ramify is indicated below. Answer the following questions about this family tree. Which is the correct mechanism of inheritance? autosomal dominant autosomal recessive y-linked x-linked dominant x-linked recessive Using the symbols "F" and "f" to indicate dominance and recessiveness, show the genotypes of the parents at B. In the marriage at C, what is the probability that the next child born will show the trait? Because you have some basic knowledge of genetics, a young woman (A, below) has come to you for help. She has a brother who is mentally retarded, but her parents and all of her husband's family are normal. She has a two-year-old daughter who shows the retardation of her brother. She is now pregnant and is considering a therapeutic abortion because of her fear that the next child will also be retarded. Can you help her by answering the questions below? What is the probability that her second child will be mentally retarded? If the second child is a boy, what is the probability that he will be mentally retarded?Explanation / Answer
5a. ANS: Autosomal dominant
5b. ANS: Ff x Ff
5c. ANS: 1/2
6a. ANS: 1/4
6b. ANS: 1/4
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.