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【判断题】
在二元系统相图中至少有一个二元无变量点。( )A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】常染色体上的等位基因,彼此没有显性和隐性之分,在杂合状态下,两种基因的作用都完全表现出来,这种遗传方式称为
A.
完全显性遗传
B.
不完全显性遗传
C.
不规则显性遗传
D.
共显性遗传
E.
以上都不对
【简答题】A．The patient has no stress in her life. B．The patient suffers from stress in her work, life and finances. C．The patient is very busy and does not have enough time for sleep. D．The biggest problem wit...
【简答题】电子支付(Electronic Payment或e-Payment)是指通过电子信息化的手段实现交易中的价值与（ ）的交换过程。
【单选题】What can we infer from the dialogue?
A.
The patient has no stress in his life.
B.
The patient suffers from stress in his work, life and finances.
C.
The patient is very busy and does not have enough time for sleep.
D.
The biggest problem with the patient is his lack of physical exercise.
【单选题】一对等位基因在杂合状态下，两种基因的作用都完全表现出来称为( )。
A.
常染色体隐性遗传
B.
不完全显性遗传
C.
不规则显性遗传
D.
延迟显性遗传
E.
共显性遗传
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