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Genetics: From Genes to Genomes, 5th edition
5th Edition
ISBN: 9780073525310
Author: Leland H. Hartwell, Michael L. Goldberg, Janice A. Fischer, Leroy Hood, Charles F. Aquadro
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 2, Problem 35P
A young couple went to see a genetic counselor because each had a sibling with cystic fibrosis. (cystic fibrosis is a recessive disease, and neither member of the couple nor any of their four parents is affected.)
a. | What is the probability that the female of this couple is carrier? |
b. | What are the chances that their child will have cyctic fibrosis? |
c. | What is the probability that their child will be carrier of cyctic fibrosis disease allele? |
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A young couple went to see a genetic counselor because each had a sibling with cystic fibrosis. (Cysticfibrosis is a recessive disease, and neither member ofthe couple nor any of their four parents is affected.)a. What is the probability that the female of thiscouple is a carrier?b. What are the chances that their child will havecystic fibrosis?c. What is the probability that their child will be acarrier of the cystic fibrosis disease allele?
A couple has one child with bilateral retinoblastoma. The mother is free from cancer, but the father has unilateral retinoblastoma and he has a brother who has bilateral retinoblastoma. a. If the couple has another child, what is the probability that this next child will have retinoblastoma? b. If the next child has retinoblastoma, is it likely to be bilateral or unilateral? c. Explain why the father’s case of retinoblastoma is unilateral, whereas his son’s and brother’s cases are bilateral.
A young couple went to see a genetic counselor because each had a sibling affected with cystic fibrosis. (Cystic fibrosis is a recessive disease and neither member of the couple nor any of their four parents is affected).
What is the probability that the female of this couple is a carrier and what are the chances that their child will be affected with cystic fibrosis?
Chapter 2 Solutions
Genetics: From Genes to Genomes, 5th edition
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