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单词 testcross
释义

WordReference Random House Unabridged Dictionary of American English © 2024
test•cross  (testkrôs′, -kros′),USA pronunciation n. 
  1. Geneticsa genetic test for heterozygosity in which an organism of dominant phenotype, but unknown genotype, is crossed to an organism recessive for all markers in question.
  • test1 + cross 1930–35

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