下列有关人类红绿色盲遗传的说法正确的是：[ ]

A．红绿色盲基因b在X染色体上，Y染色体上既没有色盲基因b，也没有它的等位基因B

B．女孩是红绿色盲基因携带者时，则该色盲基因是由父方遗传下来的

C．男人的红绿色盲基因只传给女儿，若女儿不显色盲，就不可能生下患色盲的外孙子

D．男性色盲患者的女儿患色盲的几率为二分之一

双向翻译  阅读下面的短文，请根据上下文内容，将文中划线部分译成汉语或者英语。（共5小题，计10分）

Wang Lin is the captain of the basketball team.71.He’s tall and he is of medium build. He has 72.短发. Wang Lin is very popular.

Mary is thin and she is of medium height. She has short curly blonde hair.73.She’s good–looking but she’s a little bit quiet.

Mike is 74. 一个好男孩 . He’s very tall. He has curly brown hair and is of medium build(中等身材).75.He likes reading and playing football.

小题1:____________________________________________________________________________

小题2:____________________________________________________________________________

小题3:____________________________________________________________________________

小题4:____________________________________________________________________________

小题5:____________________________________________________________________________