What does "test-cross" mean?

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

What is a synonym for "test-cross"?

Common synonyms include: testcross.

Test-cross

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Definitions

Noun

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 wordnet

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testcross

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.