
1) Cross 2) Crossbreeding 3) Crossing 4) Hybridisation 5) Hybridization 6) Hybridizing 7) Interbreeding 8) Test-cross
Found on
https://www.crosswordclues.com/clue/testcross

the mating of an organism whose genetic constitution is unknown with an organism whose entire genetic makeup for a trait is known, to determine ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/t/29

Type: Term Pronunciation: test′kros Definitions: 1. Crossing of an unknown genotype to a recessive homozygote so that the phenotype of the progeny corresponds directly to the chromosomes carried by the parents of unknown genotype. Synonyms: backcross2
Found on
http://www.medilexicon.com/medicaldictionary.php?t=90931
test-cross noun 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
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.