根据短文回答问题。

Amy: What does your father do?

Jenny: He is a teacher.

Amy: Where does he work?

Jenny: He works in a school.

Amy: How does he go to work?

Jenny: He goes to work by bus.

Amy: What does your mother do?

Jenny: She is a salesperson.

Amy: Where does she work?

Jenny: She works in a shop.

1. What does Jenny's father do?

________________________________________________________

2. Where does he work?

________________________________________________________

3. What does Jenny's mother do?

________________________________________________________

罗氏易位携带者形成正常配子的概率是______。