testcross

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Synonyms for testcross

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

References in periodicals archive ?
Hybrid MET levels were regressed on their midparent MET values as a preliminary evaluation of the efficacy of backcross selection without testcrossing.
Retention of genetically superior lines during early-generation testcrossing of maize.
Melchinger (1987) proposed testcrossing the generations from Hayman's analysis to an inbred tester, which removes dominance effects from the model that tended to overwhelm the epistatic effects.
Pedigree selection for shorter plant height and testcrossing was continued to the [S.
In the forages, his sudangrass breeding program relied on a replicated space planting for S2 selection, followed by testcrossing to incorporate downy mildew resistance in higher-yielding hybrids which were uniquely male-sterile.
The use of marker-aided prediction of advanced generation combining ability on the basis of data from early generation testcrossing was evaluated by Johnson and Mumm (1996).