backcross

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backcross

[′bak‚krȯs]
(genetics)
A cross between an F1 heterozygote and an individual of P1 genotype.
References in periodicals archive ?
Four selected F1 plant was then backcrossed with MR264 to produce BC1F1 seeds.
The F1 population was not identified as an individualized cluster but was grouped together with one of the backcrossed generations (Figures 1H and I).
In Venezuela, hybrid red tilapia (Oreochromis aureus X Oreochromis mossambicus X Oreochromis urolopis honorum) are being backcrossed to ancestral lines in an effort to improve their growth and body shape (FAO unpubl, report).
This project also validated the genetic identity of the backcrossed males as well as female varieties maintained in the US against same-named varieties from the Middle East.
In 2006, the membership was polled again, and a majority supported continuing the testing and breeding of backcrossed Dalmatians, but in 2008, the membership again voted against registering these dogs.
Animals from the starting congenic strain are backcrossed to background strain animals to create first-generation offspring (N1), which are then backcrossed to the background strain.
In their work, researchers backcrossed Allium galanthum to bulb onion (A.
1]; TM6B, Tb/l males, and backcrossed the resulting phenotypically Tb [F.
Opata, and the resulting hybrids were crossed and backcrossed four times to T.
2] hybrids while another (both males and females) was backcrossed either to their parents, or to individuals belonging to the same parental strain in order to increase the size of the backcross samples (BC) (details of crosses are given in Table 1).
The interstitial translocations were backcrossed three times into hard white spring variety 'Pavon 76' (PI 519847) and plants homozygous for the interstitial translocation were released as germplasm PI 603918 (Lukaszewski et al.