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Noun: testcross
  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
    - test-cross

Derived forms: test-crosses, testcrosses

Type of: cross, crossbreeding, crossing, hybridisation [Brit], hybridising [Brit], hybridization, hybridizing, interbreeding

Encyclopedia: Testcross

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