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testcross

DEFINITIONS OF: testcross

1

n 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

Synonyms:
test-cross
Type of:
cross, crossbreeding, crossing, hybridisation, hybridization, hybridizing, interbreeding
(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
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