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 Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter11: Genome Alterations: Mutation And Epigenetics
Section: Chapter Questions
Problem 7QP
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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%
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