Marfan syndrome is an autosomal dominant disorder caused by mutations in the FBN1 gene. It affects connective tissues, commonly resulting in long bones, abnormal curvature of the spine, defects in the eye (glaucoma), and faulty heart valves. X-linked hypophosphatemia is an X-linked dominant disorder that causes a type of rickets. Which of the following rows describes the inheritance pattern of these disorders? Select one: a. Marfan Syndrome X-linked Hypophosphatemia Males are affected more frequently than females. Female carriers can pass on the trait to their sons. b. Marfan Syndrome X-linked Hypophosphatemia Males and females are affected with equal frequency. Affected males can only pass on the trait to their daughters. c. Marfan Syndrome X-linked Hypophosphatemia Affected males can only pass on the trait to their daughters. Males and females are affected with equal frequently. d. Marfan Syndrome X-linked Hypophosphatemia Female carriers can pass on the trait to their sons. Males are affected more frequently than females.

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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Marfan syndrome is an autosomal dominant disorder caused by mutations in the FBN1 gene. It affects connective tissues, commonly resulting in long bones, abnormal curvature of the spine, defects in the eye (glaucoma), and faulty heart valves.

X-linked hypophosphatemia is an X-linked dominant disorder that causes a type of rickets.

Which of the following rows describes the inheritance pattern of these disorders?
Select one:
a.
Marfan Syndrome X-linked Hypophosphatemia
Males are affected more frequently than females. Female carriers can pass on the trait to their sons.
b.
Marfan Syndrome X-linked Hypophosphatemia
Males and females are affected with equal frequency. Affected males can only pass on the trait to their daughters.
c.
Marfan Syndrome X-linked Hypophosphatemia
Affected males can only pass on the trait to their daughters. Males and females are affected with equal frequently.
d.
Marfan Syndrome X-linked Hypophosphatemia
Female carriers can pass on the trait to their sons. Males are affected more frequently than females.
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