Duchenne Muscular Dystrophy (DMD) is a sex- linked, recessive disease in which a mutation in the gene for dystrophin results in muscle cell degeneration. A normal man marries a woman who is a carrier for DMD. a) What are the parent genotypes? b) What are the four possible offspring genotypes from this cross? HINT - do a Punnett Square to figure this out! c) If they have four sons, how many of them will have DMD? C d) If they have eight children, how many will be carriers of DMD? BONUS (+1): Why are males more often affected by sex-linked disorders than females?

Duchenne Muscular Dystrophy (DMD) is a sex- linked, recessive disease in which a mutation in the gene for dystrophin results in muscle cell degeneration. A normal man marries a woman who is a carrier for DMD. a) What are the parent genotypes? b) What are the four possible offspring genotypes from this cross? HINT - do a Punnett Square to figure this out! c) If they have four sons, how many of them will have DMD? C d) If they have eight children, how many will be carriers of DMD? BONUS (+1): Why are males more often affected by sex-linked disorders than females?

Name: Duchenne Muscular Dystrophy (DMD) is a sex-linked, recessive disease
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Description: Duchenne Muscular Dystrophy (DMD) is a sex-linked, recessive disease in which a mutation inthe gene for dystrophin results in muscle celldegeneration. A normal man marries a womanwho is a carrier for DMD.a) What are the parent genotypes?b) What are

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations

Section: Chapter Questions

Problem 24QP: A geneticist discovers that a girl with Down syndrome has a Robertsonian translocation involving...

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