˜yÐÄvlog

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testcross

[ test-kraws, -kros ]

noun

  1. a genetic test for heterozygosity in which an organism of dominant phenotype, but unknown genotype, is crossed crossed to an organism recessive for all markers in question.


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˜yÐÄvlog History and Origins

Origin of testcross1

First recorded in 1930–35; test 1 + cross

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