以含(NH4)235SO4、KH231PO4的培养基培养大肠杆菌,再向大肠杆菌培养

以含(NH4235SO4KH231PO4的培养基培养大肠杆菌,再向大肠杆菌培养液中接种32P标记的T2噬菌体(S元素为32S),一段时间后,检测子代噬菌体的放射性及SP元素,下表中对结果的预测,最可能发生的是

选项

放射性

S元素

P元素

A

全部无

全部32S

全部31P

B

全部有

全部35S

多数32P,少数31P

C

少数有

全部31S

少数32P,多数32P

D

全部有

全部35S

少数32P,多数31P

答案

D

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