A pedigree lists a father as the proband for a genetic disorder that he inherited from his mother. Out of his 3 children, his son inherits the condition but his two daughters do not. What can you hypothesize about this disorder? a) It is an X-linked recessive disorder. b) His wife is also a carrier of an affected X-chromosome, too. c) His son had to inherit a defective X allele from his mother since he obviously received a Y from Dad. d) Although his daughters inherited the father's mutant X allele, a wt X allele from their mother prevented them from inheriting the disorder. e) All the answers could be correct.
A pedigree lists a father as the proband for a genetic disorder that he inherited from his mother. Out of his 3 children, his son inherits the condition but his two daughters do not. What can you hypothesize about this disorder? a) It is an X-linked recessive disorder. b) His wife is also a carrier of an affected X-chromosome, too. c) His son had to inherit a defective X allele from his mother since he obviously received a Y from Dad. d) Although his daughters inherited the father's mutant X allele, a wt X allele from their mother prevented them from inheriting the disorder. e) All the answers could be correct.
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 pedigree lists a father as the proband for a genetic disorder that he inherited from his mother. Out of his 3 children, his son inherits the condition but his two daughters do not. What can you hypothesize about this disorder?
a) It is an X-linked recessive disorder.
b) His wife is also a carrier of an affected X-chromosome, too.
c) His son had to inherit a defective X allele from his mother since he obviously received a Y from Dad.
d) Although his daughters inherited the father's mutant X allele, a wt X allele from their mother prevented them from inheriting the disorder.
e) All the answers could be correct.
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