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 ?
The fibers coming from the virus-resistant backcross progenies being evaluated have slightly less tensile strength than the true abaca varieties making them less desirable for cordage purposes.
To create grizzly bear backcross (GBC1) genotypes, we drew one allele from the grizzly bear distribution and one allele from an F1 genotype in which one allele had been drawn from each parental species.
During backcross stage, the genetic advance of foreground traits showed downward trend with the increase of backcross generations.
Frisch, 2008.Comparison of the observed with the simulated distributions of the parental genome contribution in two marker-assisted backcross programs in rice.
During backcross phase, 10 males were selected from introgression population by foreground selection and background selection, all of which were mated to 100 females random selected from recipient population to produce next generation.
By principles of quantitative genetics, genetic variances expected in backcross generations can be predicted by genotype frequencies.
F1 hybrids and F2 backcross hybrids were raised and used as parental broodstock in 2 cycles of backcrossing.
Field evidence indicated that common carp X goldfish hybrids (both female and male) are fertile and that these FI hybrids may have actually backcrossed with the parent species.
Schaible has continued his Dalmatian Low Uric Acid Project or Backcross Project, breeding to the best lines of Dalmatians.
Some trees in the schools' 16 orchards represent the latest backcross: more than 95 percent native, with enough resistance that researchers believe they can use it to begin reforesting chestnuts in the wild.
Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PHEHR through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby.