Một gen có A = 450, tỷ lệ A/G = 3/2. Trên mạch thứ nhất có A = 270, trên mạch thứ hai có X = 135. Môi trường nội bào cung cấp số rNu loại U là 540 cho quá trình phiên mã. Sô rNu mỗi loại môi trường cung cấp cho quá trình là: A. rA = 180, rU = 270, rG = 165, rX = 135 B. rA = 190, rU = 260, rG = 150, rX = 135 C. rA = 360, rU = 540, rG = 330, rX = 270 D. rA = 180, rU = 540, rG = 230, rX = 250

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