CertyRush
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Câu 32: USMLE: United States Medical Licensing Examination

A couple comes for preconceptional genetic counseling because they both have a family history of ־±-thalassemia. The woman has a minimally decreased hemoglobin concentration. Genetic studies show a single gene deletion. The man has microcytic anemia and a two-gene deletion. If the two-gene deletion is in trans (one de…

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A couple comes for preconceptional genetic counseling because they both have a family history of ־±-thalassemia. The woman has a minimally decreased hemoglobin concentration. Genetic studies show a single gene deletion. The man has microcytic anemia and a two-gene deletion. If the two-gene deletion is in trans (one deletion on the maternal gene and one deletion on the paternal gene), which of the following percentages of their offspring will have a two-gene deletion?

Các lựa chọn

Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.

  1. A. 0%
  2. B. 25%
  3. C. 50% — đáp án hiện tại
  4. D. 75%
  5. E. 100%

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