The diabetes gene is recessive to the normal gene. Healthy spouses had
| September 16, 2021 | education
The diabetes gene is recessive to the normal gene. Healthy spouses had a child with diabetes. What is the probability of having a healthy baby?
A – normal state;
a – diabetes.
If a child with diabetes is born to healthy parents, then these parents are heterozygous for this trait. We get:
R: Aa * Aa;
G: A, a, A, a;
F: AA – normal state, 2Aa – normal state, aa – diabetic patient.
The probability of having a healthy baby is 3/4 or 75%.
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