This pedigree traces the inheritance of a rare disease in humans. a. Based on this pedigree, is the allele for this disease dominant or recessive? Explain. b. What genotypes are possible for the individuals labeled 1, 2, and 3?

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 16QP: Familial retinoblastoma, a rare autosomal dominant defect, arose in a large family that had no prior...
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This pedigree traces the inheritance of a rare disease in humans.
a. Based on this pedigree, is the allele for this disease dominant or recessive? Explain.
b. What genotypes are possible for the individuals labeled 1, 2, and 3?
Transcribed Image Text:This pedigree traces the inheritance of a rare disease in humans. a. Based on this pedigree, is the allele for this disease dominant or recessive? Explain. b. What genotypes are possible for the individuals labeled 1, 2, and 3?
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