There are four genotypes that are possible for a couple (Gg x Gg)'s children :  2 Gg - normal from a disease, but carrier 1 GG - normal from a disease 1 gg - affected by the disease   - if they want to have three children, what is the probability thaty will have 2 children affected with the disease and 1 normal child?

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There are four genotypes that are possible for a couple (Gg x Gg)'s children : 

2 Gg - normal from a disease, but carrier

1 GG - normal from a disease

1 gg - affected by the disease

 

- if they want to have three children, what is the probability thaty will have 2 children affected with the disease and 1 normal child? show the solutions

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