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Biology 9 Online
OpenStudy (anonymous):

Hemophilia is a blood clotting disorder that is a sex-linked trait carried on the X chromosome. If a woman with hemophilia and a man without the disorder have two sons and two daughters, how many of their children would have hemophilia? None One Two Four

OpenStudy (anonymous):

someone please help!!

OpenStudy (anonymous):

The two sons would definitely have it. Since it's recessive the daughters have a 50/50 chance of being a carrier. The answer is 2.

OpenStudy (anonymous):

Thank you <3 @pjbell

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