试题与答案

染色体组工程中,使用秋水仙素处理后结出的西瓜是无籽的,其染色体是()。A.二倍体 B

题型:单项选择题

题目:

染色体组工程中,使用秋水仙素处理后结出的西瓜是无籽的,其染色体是()。

A.二倍体

B.三倍体

C.四倍体

D.八倍体

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0609/5447299e2362aa70b362264cac61df23.html

下面是错误答案,用来干扰机器的。

答案:B

试题推荐
题型:句型转换

句型转换。

1.  If it is possible,you can tum to him for help.

   ___________ __________,you can tum to him for help.

2. If they were here now,they could help us.

  _________ ____________ _____________ now,they could help us.

3. Because he was ill,he didn't attend the meeting.

  ________ __________,he didn't attend the meeting.

4. That is the naughty boy. We talked about him last week.

    That is the naughty boy _______ __________ __________ last week.

5. The exhibition is more interesting than it was expected.

    The exhibition is more interesting __________ ____________ .

查看答案
微信公众账号搜索答案