9. A woman who is a carrier marries a normal man. Show the cross. What is the probability that their children will have hemophilia? What sex will a child in the family with hemophilia be?

Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN:9781133893943
Author:ESTRIDGE
Publisher:ESTRIDGE
Chapter2: Basic Hematology
Section2.1: Introduction To Hematology
Problem 14RQ
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(x-linked genes q9)

you don't have to answer question 8, please answer question 9

 

9. A woman who is a carrier marries a normal man. Show the cross. What is the probability that
their children will have hemophilia? What sex will a child in the family with hemophilia be?
Transcribed Image Text:9. A woman who is a carrier marries a normal man. Show the cross. What is the probability that their children will have hemophilia? What sex will a child in the family with hemophilia be?
In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or have the disease. Males
will either have the disease or not (but they won't ever be carriers)
HH
X"x"
x"Y
= female, normal
male, normal
X X = female, carrier
x"x"
X" Y
= male, hemophiliac
x" x"
X" X
= female, hemophiliac
8. What is the probability that their children will have the disease?
Transcribed Image Text:In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or have the disease. Males will either have the disease or not (but they won't ever be carriers) HH X"x" x"Y = female, normal male, normal X X = female, carrier x"x" X" Y = male, hemophiliac x" x" X" X = female, hemophiliac 8. What is the probability that their children will have the disease?
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