What is the probability that their offspring will have mid-digital hair? What is the probability that two offspring in a row will have no freckles? What is the probability of two offspring in a row having mid-digital hair and freckles?
What is the probability that their offspring will have mid-digital hair? What is the probability that two offspring in a row will have no freckles? What is the probability of two offspring in a row having mid-digital hair and freckles?
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 9QP: Cystic fibrosis is an autosomal disease that mainly affects the white population, and 1 in 20 whites...
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Mid-Digital Hair and Freckles
Finger mid-digital hair (M) is dominant over the recessive trait of no mid-digital hair (m). Freckles (F) is dominant over the recessive trait of no freckles (f). (It is important to note that this example of mid-digital hair and freckles cannot be explained with simple genetics, but for the purpose of this question, assume that it can.)
A woman that is heterozygous for freckles and has no mid-digital hair is married to a man with no freckles that is heterozygous for mid-digital hair. The couple is expecting a child.
Draw a Punnett square of this cross then answer the following questions:
- What is the probability that their offspring will have mid-digital hair?
- What is the probability that two offspring in a row will have no freckles?
- What is the probability of two offspring in a row having mid-digital hair and freckles?
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