In humans, a dimple in the chin is a dominant characteristic controlled by a single gene.A man who does not have a chin dimple has children with a woman with a chin dimple whose mother lacked the dimple. What proportion of their children would be expected to have a chin dimple?A man with a chin dimple and a woman who lacks the dimple produce a child who lacks a dimple. What is the man’s genotype?A man with a chin dimple and a non-dimpled woman produce eight children, all having the chin dimple. Can you be certain of the man’s genotype? Why or why not? What genotype is more likely, and why?

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Description: In humans, a dimple in the chin is a dominant characteristic controlled by a single gene.A man who does not have a chin dimple has children with a woman with a chin dimple whose mother lacked the dimple. What proportion of their children would be exp

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Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter19: Introduction To Genetics

Section: Chapter Questions

Problem 4CT: The young woman shown at right has albinismvery pale skin, white hair, and pale blue eyes. This...

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In humans, a dimple in the chin is a dominant characteristic controlled by a single gene.

A man who does not have a chin dimple has children with a woman with a chin dimple whose mother lacked the dimple. What proportion of their children would be expected to have a chin dimple?
A man with a chin dimple and a woman who lacks the dimple produce a child who lacks a dimple. What is the man’s genotype?
A man with a chin dimple and a non-dimpled woman produce eight children, all having the chin dimple. Can you be certain of the man’s genotype? Why or why not? What genotype is more likely, and why?

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