backcross उदाहरण वाक्य

TACF was founded in 1983 by a group of prominent Meadowview, in southwestern Virginia, to execute the backcross breeding program.
An example would be in Ontario, where both F1 splake and the lake trout backcross have been planted for several years.
In backcross conversion, genes are introgressed from a donor cultivar or related species into a recipient elite line through repeated backcrossing.
The graphs at right illustrate Backcross inbreeding over twenty backcrosses for three different levels of ( fixed ) inbreeding in the Recurrent parent.
With each successive backcross, there is an increase in the percentage of C57B / 6J DNA that constitutes the genome of the offspring.

In marker assisted backcross conversion, a recipient parent is crossed with a donor line and the hybrid ( F1 ) backcrossed to the recipient.
A triploid backcross hybrid between " A . rhizophyllum " and " A . tutwilerae " was accidentally produced in culture.
The problem is particularly acute if the trait of interest is recessive, as it will be present only in a heterozygous condition after each backcross.
In rye he started a systematic search for cytoplasmic male sterility in backcross generations of crosses between European and " exotic " rye accessions.
In 1953, Borlaug extended this technique by suggesting that several pure lines with different resistance genes should be developed through backcross methods using one recurrent parent.