Like brown eyes, presence of dimples and cleft chin are dominant traits. Sarah has brown eyes and dimples, but no cleft chin. Her father has blue eyes but no dimples. She just married James who has blue eyes, dimples, and cleft chin. His mother has no cleft chin and his father has no dimples. If they plan to have 4 children, what is the probability of having: 1.all boys with cleft chin?  2. all girls with blue eyes and dimples? 3. 2 children with dimples?

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 10CT: Bill and Marie each have flat feet, long eyelashes, and achoo syndrome (chronic sneezing). All are...
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Like brown eyes, presence of dimples and cleft chin are dominant traits. Sarah has brown eyes and dimples, but no cleft chin. Her father has blue eyes but no dimples.
She just married James who has blue eyes, dimples, and cleft chin. His mother has no cleft chin and his father has no dimples.

If they plan to have 4 children, what is the probability of having:
1.all boys with cleft chin? 
2. all girls with blue eyes and dimples?
3. 2 children with dimples? 

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