题目

小雅今年14岁了，她是单眼皮，父母是双眼皮。请用遗传学的知识，回答以下问题： （1） 小雅的生命是由精子与在中结合形成受精卵发育而来的，这种由受精卵发育成新个体的生殖方式式称为生殖。 （2） 小雅是单眼皮，父母是双眼皮，这种现象在遗传学上称为。 （3） 人的单双眼皮是由基因控制约，假设双眼皮是由基因（A）控制，单眼皮是由基因（a）控刺，则小雅父亲的基因型为，他遗传给小雅的控期眼皮的基因是。 （4）32、A：Excuse me．Could you do something for me please? B：Sure．1．                  ? A：Well．you know I'm going to Japan tomorrow for my holiday． B：Yes． A Well，I can't take my dog，Bobby with me．2．            ? B：With pleasure． A：Are you sure you don't mind? B：3．            ．I'm glad I can help and I like him．4．            ? A: I've written down everything you need to do. Here is the list. B: 5．                   ? A: Dog food. Here it is, in these bags. There is enough food here to last for two weeks. B: All right. Don't worry. I'll take good care of him. A: 6．             . And here is Bobby. B: Great.7．                    ? A: I'm leaving at ten o'clock.. My plane is at twelve twenty. B: 8．                               ? A: For ten days. I'll be back on the tenth of next month. B: 9．                           . A.: Thank you. See you. B: 10．                      . 评卷人 得分 四、完型填空 （每空？ 分，共？ 分）