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Pretest: Heredity

Select the correct answer.

In a family, the father is affected by a genetic disorder. The son in the family has the same disease, but the daughters do not have it. What type of inheritance is this?

A. Y-linked
B. X-linked
C. Polygenic
D. Codominant



Answer :

Final answer:

The family members exhibit X-linked inheritance where the father and son have the genetic disorder, while the daughters do not inherit it.


Explanation:

X-linked inheritance is seen in this family where the father and son have a genetic disorder, but the daughters do not inherit it. In X-linked inheritance, the gene responsible for the disorder is located on the X chromosome. Males have one X chromosome and are more likely to be affected by X-linked disorders.


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