Duchenne muscular dystrophy is an inheritable disorder that results in muscle weakness, leading to walking and breathing difficulties and heart disease. Which of the following is a valid conclusion about the Duchenne muscular dystrophy pedigree shown above? Select one: a. Only individuals I-2 and II-4 are confirmed carriers of the Duchenne muscular dystrophy allele. b. Individual II-3 can only pass on the Duchenne muscular dystrophy allele to individuals III-2 and III-4. c. Without further evidence, the genotypes of individuals II-2 and III-2 cannot be determined. d. Only individuals I-1 and II-3 are confirmed carriers of the Duchenne muscular dystrophy allele.
Duchenne muscular dystrophy is an inheritable disorder that results in muscle weakness, leading to walking and breathing difficulties and heart disease. Which of the following is a valid conclusion about the Duchenne muscular dystrophy pedigree shown above? Select one: a. Only individuals I-2 and II-4 are confirmed carriers of the Duchenne muscular dystrophy allele. b. Individual II-3 can only pass on the Duchenne muscular dystrophy allele to individuals III-2 and III-4. c. Without further evidence, the genotypes of individuals II-2 and III-2 cannot be determined. d. Only individuals I-1 and II-3 are confirmed carriers of the Duchenne muscular dystrophy allele.
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter4: Pedigree Analysis In Human Genetics
Section: Chapter Questions
Problem 14QP: Analysis of Autosomal Recessive and Dominant Traits Huntington disease is a rare, fatal disease that...
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Duchenne muscular dystrophy is an inheritable disorder that results in muscle weakness, leading to walking and breathing difficulties and heart disease.
Which of the following is a valid conclusion about the Duchenne muscular dystrophy pedigree shown above?
Which of the following is a valid conclusion about the Duchenne muscular dystrophy pedigree shown above?
Select one:
a. Only individuals I-2 and II-4 are confirmed carriers of the Duchenne muscular dystrophy allele.
b. Individual II-3 can only pass on the Duchenne muscular dystrophy allele to individuals III-2 and III-4.
c. Without further evidence, the genotypes of individuals II-2 and III-2 cannot be determined.
d. Only individuals I-1 and II-3 are confirmed carriers of the Duchenne muscular dystrophy allele.
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