Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree.

What is the probability that a female child of Charles and Marie would suffer from hemophilia?
A. 0 percent
B. 25 percent
C. 50 percent
D. 100 percent

Question

Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree. 

What is the probability that a female child of Charles and Marie would suffer from hemophilia?
A. 0 percent
B. 25 percent
C. 50 percent
D. 100 percent

eclipsedstar · Answer

http://media.education2020.com/evresources/3209-06-07/mc018-1.jpg

eclipsedstar · Answer

@Abhisar please help with bio? >_<

eclipsedstar · Answer

@AnswerMyQuestions are you good at bio?

anonymous · Answer

Umm, no.

eclipsedstar · Answer

Oh okay, thanks :(

anonymous · Answer

Why isn't Dr. Babysar helping? @Abhisar Are you too busy eating those clipboards I gave you? -.-

eclipsedstar · Answer

@sleepyjess are you good at bio?

abhisar · Answer

Genotype of Marie is $\sf X^HX^h$ and that of Charles is $\sf X^HY$. Genotype of female child having the disease will be $\sf X^hX^h$. Let's draw a punnet square and see.

abhisar · Answer

|dw:1423328573330:dw|