Part A What is the probability that the first son of a woman whose brother has Lesch-Nyhan syndrome will be affected? Express your answer as a fraction (example 1/16). Submit Request Answer Part B If the first son of the woman described in (a) is affected, what is the probability that her second son is affected? Express your answer as a fraction (example 1/16). Submit Request Answer
Part A What is the probability that the first son of a woman whose brother has Lesch-Nyhan syndrome will be affected? Express your answer as a fraction (example 1/16). Submit Request Answer Part B If the first son of the woman described in (a) is affected, what is the probability that her second son is affected? Express your answer as a fraction (example 1/16). Submit Request Answer
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter10: From Proteins To Phenotypes
Section: Chapter Questions
Problem 3CS: A couple was referred for genetic counseling because they wanted to know the chances of having a...
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Question
![I Review
Lesch-Nyhan syndrome (OMIM 300322) is a rare
X-linked recessive disorder that produces severe
mental retardation, spastic cerebral palsy, and self-
mutilation.
Part A
What is the probability that the first son of a woman whose brother has Lesch-Nyhan syndrome will be affected?
Express your answer as a fraction (example 1/16).
Submit
Request Answer
Part B
If the first son of the woman described in (a) is affected, what is the probability that her second son is affected?
Express your answer as a fraction (example 1/16).
Submit
Request Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdaed9fdf-c249-4645-a4d5-2095e498164e%2Fb12b5601-533b-4b91-ac45-fb66cd9635f6%2F6w5dig9_processed.png&w=3840&q=75)
Transcribed Image Text:I Review
Lesch-Nyhan syndrome (OMIM 300322) is a rare
X-linked recessive disorder that produces severe
mental retardation, spastic cerebral palsy, and self-
mutilation.
Part A
What is the probability that the first son of a woman whose brother has Lesch-Nyhan syndrome will be affected?
Express your answer as a fraction (example 1/16).
Submit
Request Answer
Part B
If the first son of the woman described in (a) is affected, what is the probability that her second son is affected?
Express your answer as a fraction (example 1/16).
Submit
Request Answer
![Part C
What is the probability that the first son of a man whose brother has Lesch-Nyhan syndrome will be affected?
Express your answer as an integer
ΑΣφ
?
Probability =
%
Submit
Request Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdaed9fdf-c249-4645-a4d5-2095e498164e%2Fb12b5601-533b-4b91-ac45-fb66cd9635f6%2F8daxlkb_processed.png&w=3840&q=75)
Transcribed Image Text:Part C
What is the probability that the first son of a man whose brother has Lesch-Nyhan syndrome will be affected?
Express your answer as an integer
ΑΣφ
?
Probability =
%
Submit
Request Answer
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
Lesch Nyhan syndrome is X linked recessive disorder.
Normal = XX, XXn, XY
Affected = XnXn, XnY
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