One of the most famous cases of an X-linked recessive mutation in humans is that of hemophilia found in the descendants of Britain’s Queen Victoria. The pedigree of the royal family indicates that Victoria was heterozygous for the trait; however, her father was not affected, and no other member of her maternal line appeared to carry the mutation. What are some possible explanations of how the mutation arose? What types of mutations could lead to the disease?

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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One of the most famous cases of an X-linked recessive
mutation in humans is that of hemophilia found in the
descendants of Britain’s Queen Victoria. The pedigree of
the royal family indicates that Victoria was heterozygous for
the trait; however, her father was not affected, and no other
member of her maternal line appeared to carry the mutation.
What are some possible explanations of how the mutation
arose? What types of mutations could lead to the disease?

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