The genes for hemophilia, a condition that causes blood not to clot properly, are located on the X chromosome. It is a recessive disorder. A man normal for blood clotting has children with a woman who is a carrier of the condition but still clots normally. What percentage of the male offspring will have normal clotting? _______________ % What percentage of the male offspring will have hemophilia? _______________ %

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter4: Pedigree Analysis In Human Genetics
Section: Chapter Questions
Problem 10QP: A proband female with an unidentified disease seeks the advice of a genetic counselor before...
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Part of the difficulty of the genetics unit is knowing what type of problem you are being asked to solve and then solving it correctly. The following problems are a mix of normal Mendelian inheritance, incomplete dominance, co-dominance, sex-linked, and dihybrid crosses. Complete each of the problems below. Show your work! It’s difficult for me to know where you are making your mistakes (and help you to correct them) if I cannot see how you completed the problem.

 

The genes for hemophilia, a condition that causes blood not to clot properly, are located on the X chromosome. It is a recessive disorder. A man normal for blood clotting has children with a woman who is a carrier of the condition but still clots normally.

What percentage of the male offspring will have normal clotting? _______________ %

What percentage of the male offspring will have hemophilia? _______________ %

 

   
   
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