Show the complete solution including the Punnett Sq. Lina has dimples, freckles, and a widow’s peak. She is a heterozygous for all of the three traits. David, her husband also has freckles and dimples but has a continuous hairline. As

Human Heredity: Principles and Issues (MindTap Course List)
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ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter18: Genetics Of Behavior
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Problem 14QP: A pedigree analysis was performed on the family of a man with schizophrenia. Based on the known...
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Show the complete solution including the Punnett Sq. Lina has dimples, freckles, and a widow’s peak. She is a heterozygous for all of the three traits. David, her husband also has freckles and dimples but has a continuous hairline. As freckle is known to be dominant over none, dimples are dominant over no dimples, and widow’s peak is dominant over continuous hairline, identify the

 

  • Probability that their child will have three recessiveness: no freckle, no dimples, and has widow’s peak; and
  • Probability that their child will have the same phenotype as Lina (with freckles, dimples, and widow’s peak).

 

Legend:

Ff – freckles

Dd – dimples

Ww – widow’s peak  

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