Một đoạn gen có A=400 nu; G=500 nu a. Tính số gen con được tạo ra khi gen thực hiện quá trình nhân đôi 3 lần b. Tính số nu có trong tất cả các gen con được tạo ra c. Tính số nu trên phân tử mARN được tổng hợp từ gen nói trên d. Nếu phân tử mARN trên tham gia quá trình tổng hợp protein, tính số axit amin được tạo thành

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