The pedigree below shows a pedigree for a completely penetrant X-linked trait caused by a recessive mutation in the B gene. Based on this information, answer the following questions. 1-4 V-5 What is the probability that the III-4 woman is heterozygous for the B gene? If the V-5 female marries the V-10 male (indicated by the arrows), what is the probability their first child will be a daughter who exhibits the mutant phenotype? What is the probability that the IV-7 woman is heterozygous for the B 1. 0 2. 3. 1/8 4. 1 5. V-10 1/4 7. 1/2 6. 1/16 1/3 8. 2/3 9. 3/16
The pedigree below shows a pedigree for a completely penetrant X-linked trait caused by a recessive mutation in the B gene. Based on this information, answer the following questions. 1-4 V-5 What is the probability that the III-4 woman is heterozygous for the B gene? If the V-5 female marries the V-10 male (indicated by the arrows), what is the probability their first child will be a daughter who exhibits the mutant phenotype? What is the probability that the IV-7 woman is heterozygous for the B 1. 0 2. 3. 1/8 4. 1 5. V-10 1/4 7. 1/2 6. 1/16 1/3 8. 2/3 9. 3/16
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:The pedigree below shows a pedigree for a completely penetrant X-linked trait
caused by a recessive mutation in the B gene. Based on this information,
answer the following questions.
0
25
V-5
What is the probability
that the III-4 woman is
heterozygous for the B
gene?
If the V-5 female marries
the V-10 male (indicated
by the arrows), what is
the probability their first
child will be a daughter
who exhibits the mutant
phenotype?
What is the probability
that the IV-7 woman is
heterozygous for the B
gene?
1. 0
2. 1/4
3. 1/8
4. 1
V-10
1
5.
1/2
6. 1/16
7. 1/3
8. 2/3
9. 3/16
10. 1/9
11. 4/9
10
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