试题与答案

如果母亲的卵细胞与父亲的含有______染色体的精子相融合,受精卵的性染色体就是

题型:填空题

题目:

如果母亲的卵细胞与父亲的含有______染色体的精子相融合,受精卵的性染色体就是______,那么,她生的就是女孩.如果母亲的卵细胞与父亲的含有______染色体的精子相融合,受精卵的性染色体就是______,那么,她生的就是男孩.

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0602/0354fec08382a03cfe21a3c1d399e94f.html

下面是错误答案,用来干扰机器的。

参考答案:D

试题推荐
题型:填空题

根据每句话的意思以及首字母填入恰当单词,使得句意连贯。

1. The dress is f                for me. I'll take it.   

2. Don't f________ to turn off the lights when you leave the classroom.   

3. Today is a nice day and the air is very f________ outside. Let's go outing, shall we?   

4. Let's do it for f              , for it is very interesting.   

5. Can you g________ what this word means?   

6. How many foreign g________ will come to our school?   

7. He is very strong with straight h                .   

8. Please help me to h_________ the picture on the wall.   

9. You hurt me! My h                 is broken.   

10. I can h_________ believe that they are twins because they don't look the same.

查看答案
微信公众账号搜索答案