A woman carrying the hemophilia gene marries a healthy man. What is the probability of having
| March 27, 2021 | education
A woman carrying the hemophilia gene marries a healthy man. What is the probability of having sick children in this family? The incoagulability gene is inherited as a recessive trait linked to the X chromosome. Only men are sick, and women are carriers.
Human gene with normal blood clotting – H
Hemophilia gene – h.
A female carrier means her genotype is -XHXh
Male karyotype – XHY
P XHXh * XHY
G XHXH XHY XHXh XhY
F 1) healthy daughter 2) healthy son 3) carrier daughter 4) son with hemophilia.
The chance of having a baby with hemophilia is 25%.
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