English noun: testcross | |||
1. | testcross (act) 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 | ||
Broader (hypernym) | cross, crossbreeding, crossing, hybridisation, hybridization, hybridizing, interbreeding | ||