Consider the hypothetical X$-$linked recessive gene $M.$ Suppose a woman expresses this gene. So does her husband. What are the chances that a child of theirs will NOT express this gene?

All of the male children will express trait $M,$ but none of the female children will express the trait.

Half the female children and a quarter of the male children will express the trait.

Half of the male children and a quarter of the female children will express the trait.

All of the children will express the trait.

All of the female children willexpress trait $M,$ but none of the male children will express the trait.