test cross

 
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test cross的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 test-cross:
  1. a cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring

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