backcross

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backcross /back·cross/ (bak´kros) a mating between a heterozygote and a homozygote.

backcross

Etymology: AS, baec + cruc, cross

1 a mating (cross) between a heterozygote and a homozygote.

2 an organism or strain produced by such a cross. See also testcross.

backcross [bak´cros″]

in experimental genetics, union between a heterozygote of the first generation and one of its parents or an organism genetically identical to one of its parents.

double backcross the mating between a double heterozygote and a homozygote.

backcross

mating the crossbred offspring of a two-way cross back to one of the parent breeds.

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testcross			The first set of intercross progeny from the third backcross was planted in 2002. A blight-free future: efforts to revive the American chestnut appear ... by Wood & Wood Products is their fertile, allotetraploid hybrid, and at least one sterile, triploid backcross hybrid was reported. A hybrid Phlebodium (Polypodiaceae, Polypodiophyta) and its influence ... by Tejero-Diez, J. Daniel; Mickel, John T.; Smith, Alan R. / American Fern Journal Although it is plausible that this individual is an advanced backcross, this result more likely represents an outlier. Evolutionary associations between sand seatrout (Cynoscion arenarius) ... by Anderson, Joel D.; McDonald, Dusty L.; Sutton, Glen R.; Karel, William J. / Fishery Bulletin			bacillus Calmette-Guerin Bacillus cereus Bacillus sphaericus bacitracin back Back Belt back bleeding back extensor strength back knee back labor back of a lens back optic zone radius back pain back pressure back scleral size Back Woods Study back-action condenser back-cross back-fence back-swept backache backband backboard backboard splint backbone backcross backfat backflow background information background level background radiation background rate background retinopathy backgrounding Backhaus towel clamp backing backline backs backscatter backscatter radiation backstrap backtag backtrace backup backup contraception backward bending backward failure backward heart failure backward tone backward torsion backward upward laterally			Backbord backbreak backbreaker backbreaking Backburn Backcast backcast stripping Backcasting backcasts backchat backcloth backcloth backcloths backcloths Backcoating backcomb backcombed Backcombing backcombs backcountry Backcountry Avalanche Awareness Response Team Backcountry Bicycle Trails Club Backcountry Horsemen of California backcourt backcourts Backcronym backcross backcross parent backcrossed backcrossed backcrossed backcrosses backcrosses backcrosses backcrossing backcrossing backcrossing BACKCSC backdate backdate backdate backdated backdates backdating backdating backdating backdeep backdigger backdoor backdoor backdoor Backdoor (disambiguation) Backdoor (disambiguation) Backdoor (disambiguation) backdoor borrowing Backdoor Boys Backdoor listing

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backcross