简述AR遗传病系谱特点？

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问题问答题简答题

简述AR遗传病系谱特点？

答案

参考答案：

①通常为散发病例（隔代遗传）.

②患者双亲一般不患病，但都是携带者.

③患者同胞1/4发病，表型正常的同胞中2/3是携带者，1/4正常.

④男女发病机会相等.

⑤近亲婚配时子女发病风险明显增高.

多项选择题

腹部手术后开始给予流质饮食的依据是（）。

A.切口疼痛轻微

B.体温低于37.5℃

C.肛门排气后

D.肠蠕动恢复

E.恶心呕吐消失

填空题

根据句意,选择单词的正确形式填空。

1. He said he (is/was)going to the park.

2. Tom told me he (will/would)call me the next day.

3. Jack said he (goes/went) to the beach every day.

4. Kate said she (can/could) finish it on time. .

5. He said,"My brother (is/was) not here two years ago, but he (is/was) here now. "