A woman has full ichthyosis - not patchy like the daughter described in Question 6, but all over her body like the father in Question 6. She has children with a man with normal skin. If they have a son, what is the probability that he will have ichthyosis? 50% chance of patchy ichthyosis 100% chance of full ichthyosis 0% chance of ichthyosis 50% chance of full ichthyosis 100% chance of patchy ichthyosis

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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A woman has full ichthyosis - not patchy like the daughter described in Question
6, but all over her body like the father in Question 6. She has children with a
man with normal skin. If they have a son, what is the probability that he will have
ichthyosis?
50% chance of patchy ichthyosis
100% chance of full ichthyosis
0% chance of ichthyosis
50% chance of full ichthyosis
100% chance of patchy ichthyosis
Transcribed Image Text:A woman has full ichthyosis - not patchy like the daughter described in Question 6, but all over her body like the father in Question 6. She has children with a man with normal skin. If they have a son, what is the probability that he will have ichthyosis? 50% chance of patchy ichthyosis 100% chance of full ichthyosis 0% chance of ichthyosis 50% chance of full ichthyosis 100% chance of patchy ichthyosis
This pedigree illustrates the pattern of inheritance of X-linked recessive
colorblindness in a human family. A couple is expecting their first child, and have
found out from amniocentesis results that it is a boy (marked ?). What is the
probability that this XY child will be color blind?
1/4
1
?
1/2
Transcribed Image Text:This pedigree illustrates the pattern of inheritance of X-linked recessive colorblindness in a human family. A couple is expecting their first child, and have found out from amniocentesis results that it is a boy (marked ?). What is the probability that this XY child will be color blind? 1/4 1 ? 1/2
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