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Becker muscular dystrophy is due to a mutation in the same gene that causes the more severe Duchenne muscular dystrophy. This is an X linked recessive condition that causes muscular weakness that begins and a later age and progresses more slowly than Duchenne muscular dystrophy which is often lethal by age 20. One of my former students had a father who had this condition. She did not have the condition. If she has three sons with a male who does not have the condition, what is the chance that all of her sons would have the condition? 100% 3/4 1/2 1/4 1/8 3/8

Becker muscular dystrophy is due to a mutation in the same gene that causes the more severe Duchenne muscular dystrophy. This is an X linked recessive condition that causes muscular weakness that begins and a later age and progresses more slowly than Duchenne muscular dystrophy which is often lethal by age 20. One of my former students had a father who had this condition. She did not have the condition. If she has three sons with a male who does not have the condition, what is the chance that all of her sons would have the condition? 100% 3/4 1/2 1/4 1/8 3/8

Human Anatomy & Physiology (11th Edition)
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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) Listen Becker muscular dystrophy is due to a mutation in the same gene that causes the more severe Duchenne muscular dystrophy. This is an X linked recessive condition that causes muscular weakness that begins and a later age and progresses more slowly than Duchenne muscular dystrophy which is often lethal by age 20. One of my former students had a father who had this condition. She did not have the condition. If she has three sons with a male who does not have the condition, what is the chance that all of her sons would have the condition? O 100 % 3/4 1/2 1/4 1/8 3/8 0
Transcribed Image Text:) Listen Becker muscular dystrophy is due to a mutation in the same gene that causes the more severe Duchenne muscular dystrophy. This is an X linked recessive condition that causes muscular weakness that begins and a later age and progresses more slowly than Duchenne muscular dystrophy which is often lethal by age 20. One of my former students had a father who had this condition. She did not have the condition. If she has three sons with a male who does not have the condition, what is the chance that all of her sons would have the condition? O 100 % 3/4 1/2 1/4 1/8 3/8 0
Question 3 ) Listen Becker muscular dystrophy is due to a mutation in the same gene that causes the more severe Duchenne muscular dystrophy. This is an X linked recessive condition that causes muscular weakness that begins and a later age and progresses more slowly than Duchenne muscular dystrophy which is often lethal by age 20. One of my former students had a father who had this condition. She did not have the condition. If she has children with a male who does not have the condition, what is the chance that any daughters she would have would have the condition? 100 % 75% O 50% O 25% 0%
Transcribed Image Text:Question 3 ) Listen Becker muscular dystrophy is due to a mutation in the same gene that causes the more severe Duchenne muscular dystrophy. This is an X linked recessive condition that causes muscular weakness that begins and a later age and progresses more slowly than Duchenne muscular dystrophy which is often lethal by age 20. One of my former students had a father who had this condition. She did not have the condition. If she has children with a male who does not have the condition, what is the chance that any daughters she would have would have the condition? 100 % 75% O 50% O 25% 0%
Expert Solution
Step 1l

Given 

Disease is X linked recessive 

Father is affected = XaY 

Father's daughter is carrier = XXa 

Daughter's husband is normal = XY 

Find 

Probability of all son having condition. 

Probability of any single daughter have condition. 

Symbol used 

X = normal 

Xa = have condition. 

steps

Step by step

Solved in 2 steps

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