【名词&注释】
基因型(genotype)
[单选题]某小岛上原有果蝇20000只,其中基因型VV、Vv和vv的果蝇分别占15%、55%和30%。若此时从岛外入侵了2000只基因型为VV的果蝇,且所有果蝇均随机交配,则 代中V的基因频率约是
A. 43%
B. 48%
C. 52%
D. 57%
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学习资料:
[单选题]The text is most likely to be found in a book about
A. popular scienceB.historical events
B. successful people
C. political systems
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