A woman without red-green colorblindness and with a normal chin, whose mother was colorblind, marries a cleft-chinned, non-colorblind man whose mother had a normal chin. Recall that red-green colorblindness is sex-linked recessive, but mid-chin fissure (cleft) is autosomal dominant. What are the expected phenotypic ratios of the children? Show your work.

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter4: Pedigree Analysis In Human Genetics
Section: Chapter Questions
Problem 21QP: Analysis of X-Linked Dominant and Recessive Traits As a genetic counselor investigating a genetic...
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A woman without red-green colorblindness and with a normal chin, whose mother was colorblind,
marries a cleft-chinned, non-colorblind man whose mother had a normal chin. Recall that red-green
colorblindness is sex-linked recessive, but mid-chin fissure (cleft) is autosomal dominant. What are
the expected phenotypic ratios of the children? Show your work.
Transcribed Image Text:A woman without red-green colorblindness and with a normal chin, whose mother was colorblind, marries a cleft-chinned, non-colorblind man whose mother had a normal chin. Recall that red-green colorblindness is sex-linked recessive, but mid-chin fissure (cleft) is autosomal dominant. What are the expected phenotypic ratios of the children? Show your work.
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