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testcross

[test-kraws, -kros] /ˈtɛstˌkrɔs, -ˌkrɒs/
noun
1.
a 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.
Origin
1930-1935
1930-35; test1 + cross
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for testcross
  • Recurrent half-sib selection with testcross evaluation for increased oil content in soybean.

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