Red-green colorblindness is inherited in an X-linked recessive pattern in humans.  A colorblind man and a woman with normal vision have four children, and one of them is a colorblind male.   Does the mother have to be a carrier in this case?  (Yes or No) What is the probability of the next child in this family being both colorblind and male?   No, 25% Yes, 25% No, 50% Yes, 50%

Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter11: The Basic Principles Of Heredity
Section: Chapter Questions
Problem 6TYU: Redgreen color blindness is an X-linked recessive disorder in humans. Your friend is the daughter of...
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Red-green colorblindness is inherited in an X-linked recessive pattern in humans.  A colorblind man and a woman with normal vision have four children, and one of them is a colorblind male.  

Does the mother have to be a carrier in this case?  (Yes or No)

What is the probability of the next child in this family being both colorblind and male?  

No, 25%
Yes, 25%
No, 50%
Yes, 50%
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