3. 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). Show the cross of a man who has hemophilia with a woman who is a carrier. XH XH = female, normal XH Xh female, carrier Xh Xh XH Y = male, normal Xh Y= male, hemophiliac female, hemophiliac
3. 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). Show the cross of a man who has hemophilia with a woman who is a carrier. XH XH = female, normal XH Xh female, carrier Xh Xh XH Y = male, normal Xh Y= male, hemophiliac female, hemophiliac
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:3. 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). Show the cross of a man who has hemophilia with a woman
who is a carrier.
XH XH = female, normal
XH Xh= female, carrier
xh Xh= female, hemophiliac
XH Y = male, normal
Xh Y= male, hemophiliac
4. What is the probability that their children will have the disease?
5. 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?
6. In a certain cactus, prickly spines can be two
pronged or one pronged. If a true breeding one-
pronged cactus is crossed with a true breeding
two-pronged cactus, the F1 generation has a
mixture of spines, some are two-pronged, some are one-pronged.
a. Is this an example of codominance or incomplete dominance?
b. Show the F2 generation (a cross between the two F1's). What are the
phenotypes of the offspring and in what proportion?
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