Question

In humans, the disease galactosemia is inherited as a recessive trait in a simple Mendelian manner. A woman whose father had galactosemia intends to marry a man whose grandfather was galactosemic. They are worried that they will have an affected child. What is the probability of this outcome?

Name: In humans, the disease galactosemia is inherited as a recessive trait in a simple Mendelian manner. A woman whose father had galactosemia intends to marry a man whose grandfather was galactosemic. They are worried that they will have an affected child. What is the probability of this outcome?
Uploaded: 2022-01-02T14:29:35-08:00
Duration: 3 min 28 s
Channel: Joanna Quigley
Description: In humans, the disease galactosemia is inherited as a recessive trait in a simple Mendelian manner. A woman whose father had galactosemia intends to marry a man whose grandfather was galactosemic. They are worried that they will have an affected child. What is the probability of this outcome?

          In humans, the disease galactosemia is inherited as a recessive trait in a simple Mendelian manner. A woman whose father had galactosemia intends to marry a man whose grandfather was galactosemic. They are worried that they will have an affected child. What is the probability of this outcome?

In humans, the disease galactosemia is inherited as a recessive trait in a simple Mendelian manner. A woman whose father had galactosemia intends to marry a man whose grandfather was galactosemic. They are worried that they will have an affected child. What is the probability of this outcome?

Added by Tiffany A.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

Instant Answer

Solved by Expert Joanna Quigley

01/02/2022

Step 1

The woman is a carrier for galactosemia (heterozygous, Gg), as her father had the disease. The man has a 50% chance of being a carrier (heterozygous, Gg) if one of his parents was a carrier. Show more…

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