1. Armin and Annie are going to have a baby. Annie has dimples in her cheeks (a dominant trait), while Armin does not. You know that Annie's father has dimples in both cheeks, while her mother does not. Her mother must have the recessive trait. Annie's father has the dominant trait, but you don't know if he is a homozygote or heterozygote. But you still know what Annie's genotype must be because Annie must have a recessive allele since that is all she could have inherited from her mother. Since Annie has a dimple you know she inherited a dominant allele from her father. What are the chances Armin and Annie's baby will have dimples? Determine the Phenotype and Genotype and its probability.
1. Armin and Annie are going to have a baby. Annie has dimples in her cheeks (a dominant trait), while Armin does not. You know that Annie's father has dimples in both cheeks, while her mother does not. Her mother must have the recessive trait. Annie's father has the dominant trait, but you don't know if he is a homozygote or heterozygote. But you still know what Annie's genotype must be because Annie must have a recessive allele since that is all she could have inherited from her mother. Since Annie has a dimple you know she inherited a dominant allele from her father. What are the chances Armin and Annie's baby will have dimples? Determine the Phenotype and Genotype and its probability.
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter16: Reproductive Technology, Genetic Testing, And Gene Therapy
Section: Chapter Questions
Problem 15QP: A couple who wishes to have children visits you, a genetic counselor. There is a history of a...
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