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【简答题】
某家族有两种遗传病：β地中海贫血（“地贫”）是由于11号染色体上β-基因突变导致血红蛋白结构异常，基因型与表现型的关系如表；蚕豆病是只在X染色体上G6PD酶基因显性突变（用D表示）导致该酶活性降低而引起的，但女性携带者表现正常，请回答： 对家系部分成员的DNA用（）酶来获取β基因片段。并对该基因片段进行PCR扩增后的产物电泳结果如图2所示，结合图1和表2，推断II-8的基因型为（）（两对基因）
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参考答案：
举一反三
【单选题】There are a lot of students in the reading room, most of with their eyes __ on and their heads bent over their books.
A.
whom; fixing
B.
them; fixed
C.
whom; fixed
D.
them; fixing
查看完整题目与答案
【单选题】对于一个生产企业来讲,《统筹方法》是( )
A.
提高工作效率
B.
减轻工人负担
C.
生产产品的方法
查看完整题目与答案
【判断题】Visual FoxPro数据库管理系统的数据模型是关系型。
A.
正确
B.
错误
查看完整题目与答案
【单选题】This kind of software for English study _____ a lot of students who are weak in oral English.
A.
leads to
B.
appeals against
C.
contributes to
D.
appeals to
查看完整题目与答案
【简答题】A lot of students are having all kinds of sports on the playground. A football is going on right now ______ Class 3 and Class 4. We don’t know which team will ____. Look at those people over ther...
查看完整题目与答案
【单选题】There () a lot of students in the playground.
A.
is
B.
are
C.
am
D.
be
查看完整题目与答案
【判断题】()信息技术基础设施库(ITIL),是由英国发布的关于IT服务管理最佳实践的建议和 指导方针,旨在解决IT服务质S不佳的情况。
A.
正确
B.
错误
查看完整题目与答案
【判断题】信息技术基础设施库(ITIL)，是由英国发布的关于IT服务管理最佳实践的建议和指导方针，旨在解决IT服务质量不佳的情况。
A.
正确
B.
错误
查看完整题目与答案
【单选题】This kind of software for English study _____ a lot of students who are weak in oral English.
A.
leads to
B.
appeal against
C.
contributes to
D.
appeals to
查看完整题目与答案
【简答题】A．A lot of students entered the talent show B．The talent show was canceled C．Not many students enjoy talent shows D．The speakers are judges for the talent show
查看完整题目与答案
相关题目：
【单选题】There are a lot of students in the reading room, most of with their eyes __ on and their heads bent over their books.
A.
whom; fixing
B.
them; fixed
C.
whom; fixed
D.
them; fixing
查看完整题目与答案
【单选题】对于一个生产企业来讲,《统筹方法》是( )
A.
提高工作效率
B.
减轻工人负担
C.
生产产品的方法
查看完整题目与答案
【判断题】Visual FoxPro数据库管理系统的数据模型是关系型。
A.
正确
B.
错误
查看完整题目与答案
【单选题】This kind of software for English study _____ a lot of students who are weak in oral English.
A.
leads to
B.
appeals against
C.
contributes to
D.
appeals to
查看完整题目与答案
【简答题】A lot of students are having all kinds of sports on the playground. A football is going on right now ______ Class 3 and Class 4. We don’t know which team will ____. Look at those people over ther...
查看完整题目与答案
【单选题】There () a lot of students in the playground.
A.
is
B.
are
C.
am
D.
be
查看完整题目与答案
【判断题】()信息技术基础设施库(ITIL),是由英国发布的关于IT服务管理最佳实践的建议和 指导方针,旨在解决IT服务质S不佳的情况。
A.
正确
B.
错误
查看完整题目与答案
【判断题】信息技术基础设施库(ITIL)，是由英国发布的关于IT服务管理最佳实践的建议和指导方针，旨在解决IT服务质量不佳的情况。
A.
正确
B.
错误
查看完整题目与答案
【单选题】This kind of software for English study _____ a lot of students who are weak in oral English.
A.
leads to
B.
appeal against
C.
contributes to
D.
appeals to
查看完整题目与答案
【简答题】A．A lot of students entered the talent show B．The talent show was canceled C．Not many students enjoy talent shows D．The speakers are judges for the talent show
查看完整题目与答案
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