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4 Select the correct answer. A family has a Y-linked disease that affects the father. What is the chance of a male offspring inh А. 100% OB. 50% Oc. 25% OD. 0% Reset Next​

Sagot :

Answer:

Remember that males have an x and y chromosome, while women have two x chromosomes.

Explanation:

This means that a female offspring (daughter) inherits her father's only x chromosome and one of her mother's x chromosomes, while a male will receive his father's y chromosome and one of his mother's x chromosomes.  

This means that the boy will necessarily inherit his dad's Y chromosome, and any diseases that it carries.  

The chance of a male offspring inheriting the disease is  

A) 100%

Answer:

Mother

Explanation:

This mutation needs two X chromosomes. Only the mother has two X chromosomes (XX). The father is male, so he only had one X chromosome (XY).

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