问题
填空题 案例分析题
下列某家庭系谱中，Ⅲ代5号经检查患有某种伴性遗传病。显性基因用H表示；隐性基因用h表示。请分析回答问题：
III代6号的基因型为（），是纯合子的几率为（）
答案
参考答案：XHXH或XHXh；1/2
搜题请搜索小程序“爱下问搜题”
下列某家庭系谱中，Ⅲ代5号经检查患有某种伴性遗传病。显性基因用H表示；隐性基因用h表示。请分析回答问题：
III代6号的基因型为（），是纯合子的几率为（）
参考答案：XHXH或XHXh；1/2
| 从方框中选择适当的选项补全对话。其中有两项是多余的 | |
| A: Daddy, 1 This is my new friend, Bob. B: Welcome to our house, Bob. Come in and make yourself at home. C: Thanks. Wow, what a nice room! B: Thank you. Sit down, please, Bob. Are you and Mike in the same class? C: No, 2 B: By the way, 3 C: He's a doctor. B: Oh, I'm a doctor, too. 4 C: He  works at the Red Star Hospital.B: Really? Me, too. 5 C: Sure. His name is Jack Green. B: Oh! It's a small world. Your father and I are friends as you and Mike.
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