等位基因T在一个人群中的频率是0.8,一个200人的样本中90%对于PTC具有正常味觉,10%是味盲,问:
这个群体与平衡预期值一致吗
参考答案:不一致;
All the money he had was ______, so he had to make a living by begging.[ ]
A. used up
B. taken up
C. stayed up
D. brought up
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