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khacthinh181818
2 năm trước
Một đoạn ADN gồm 20 cặp nu. Giả sử có 1 đột biến: thêm 1 cặp A-T vào đoạn ADN nêu trên a) Tính chiều dài đoạn ADN bị đột biến b) Biểu thức A + G = T + X còn đúng hay không đối với đoạn ADN bị đoạn biến? Vì sao?
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