%%

Gaokao Biology Practice Question

5．（ 6分）在生命科学发展过程中， 证明 DNA是遗传物质的实验是（ ） ①孟德尔的豌豆杂交实验 ②摩尔根的果蝇杂交实验 ③肺炎双球菌 转化实验 ④T2噬菌体侵染大肠杆菌实验 ⑤DNA的X光衍射实验。

  1. A.①②
  2. B.②③
  3. C.③④
  4. D.④⑤

Want to know if you got it right?

Answer this and thousands more real Gaokao previous-year questions free, get graded instantly, and climb the global ranked leaderboard.

Practice Gaokao free →

More Gaokao Biology questions