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nghiemtien811
2 năm trước
Gen B đột biến thành gen b . Gen B có khối lượng phân tử 54.10^4 a) tính chiều dài của gen B ra micromet b) xác định dạng đột biến , cho biết gen b có khối lượng phân tử 5394.10^2 đvC ,Mnu =300 đvC
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