Human Genetics Problem Set

Problem 5: Interpreting a pedigree chart


A human geneticist determined the pedigree shown in the diagram with filled symbols showing the affected individuals. How is this pattern of inheritance described?

A. autosomal dominant
A genetic trait that is passed from generation to generation to generation, from both fathers to daughters and mothers to daughters, is typically autosomal dominant.
B. autosomal recessive
C. sex-linked recessive
D. sex-linked dominant
E. none of these

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Revised: November 5, 1998
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