The pedigree shows inheritance of an autosomal recessive disease in an extended family. Assume unrelated individuals marrying into the family do not carry the disease, unless there is reason to believe otherwise. What is the chance that IV-2 and IV-4 will have a child with the disease? Individuals I-1, Il-5, III-5 and Ill-16 have the disease. III-18 6 7 89 10 11 12 13 14 15 16 4 III-19 IV IV-3 IV-4 IV-5 IV-6 V-1 IV-2 a. 1/8 O b. 1/12 O c. 1/16 O d. 3/16 C e. 1/24 f. 1/32 g. 3/32 h. 1/64

The pedigree shows inheritance of an autosomal recessive disease in an extended family. Assume unrelated individuals marrying into the family do not carry the disease, unless there is reason to believe otherwise. What is the chance that IV-2 and IV-4 will have a child with the disease? Individuals I-1, Il-5, III-5 and Ill-16 have the disease. III-18 6 7 89 10 11 12 13 14 15 16 4 III-19 IV IV-3 IV-4 IV-5 IV-6 V-1 IV-2 a. 1/8 O b. 1/12 O c. 1/16 O d. 3/16 C e. 1/24 f. 1/32 g. 3/32 h. 1/64

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter11: Genome Alterations: Mutation And Epigenetics

Section: Chapter Questions

Problem 5QP: Achondroplasia is a rare dominant autosomal defect resulting in dwarfism. The unaffected brother of...

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