2. In a family with an X-linked recessive disorder, if the father is unaffected and the mother is a carrier, what is the probability of the offspring being affected?
(A) All offspring, regardless of gender, will manifest the disease phenotype.
(B) Sons have a 50% chance of being affected, while all daughters will be phenotypically normal.
(C) Both sons and daughters have an equal 50% probability of manifesting the disease.
(D) Only daughters will manifest the disease, while all sons will be phenotypically normal.
(E) All sons will manifest the disease, and all daughters will be carriers of the trait.

答案：登入後查看
統計： 尚無統計資料