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【单选题】
SNP,也就是单核苷酸多态性,它的等位基因数目一般为A.
二等位基因
B.
三等位基因
C.
四等位基因
D.
五等位基因
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【简答题】常用的菌种保藏方法有斜面低温保藏法、沙土管保藏法、菌丝速冻法、（）、（）、（）
【简答题】A tour of the company Stephan is taking a group of apprentices around the company; Right now, we're going to go this way round, past Reception on our left and the library on our right. Opposite the li...
【简答题】Stephan is talking a group of apprentices around the company: Right now, we're going to this way around, past Reception on our left a nd the library on our right. Opposite the library we have the conf...
【简答题】把7：10的前项增加10.5，要使比值不变，后项应该增加（ ）。
【简答题】常用的菌种保藏方法有: 、 、 、 、 、 等。
【简答题】A tour of the company Stephan is taking a group of apprentices around the company: Right now, we're going to go this way round, past Reception on our left and the library on our right. Opposite the li...
【简答题】A tour of the company Stephan is taking a group of apprentices around the company: Right now, we are going to go this way round, past Reception on our left and the library on our right. Opposite the l...
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