backcrossing वाक्य

उदाहरण वाक्य

1. Furthermore, backcrossing does not account for the majority of time required to create, field test and release / commercialize a new variety.
2. Why are crossing, testcrossing, backcrossing, mating, and breeding used for other animals while those terms are not used for humans?
3. Backcrossing may be deliberately employed in animals to transfer a desirable trait in an animal of inferior genetic background to an animal of preferable genetic background.
4. He then used the resulting offspring to chart inheritance patterns, using the crossing of siblings, and backcrossing to parents to determine how inheritance functioned.
5. Caluff and Serrano ( 2002 ) note that " a full range of intermediates linking this hybrid with its parent species suggests the occurrence of backcrossing ".
6. The original hybridization event is believed to occur between two related species and is often followed by backcrossing to either parent species to create triploid parthenogenetic offspring.
7. The results showed " H . heurippa " chose to reproduce via backcrossing, while the parental species were highly unlikely to reproduce with the backcrosses.
8. Another approach is to find the resistant genes in certain species of crab apple which is the ancestor of the domesticated apple, and to introduce those desired traits through backcrossing.
9. Finally, he performed " test crosses " ( backcrossing descendants of the initial hybridization to the initial true-breeding lines ) to reveal the presence and proportions of recessive characters.
10. Often after making the hybrid ( especially if individuals are short-lived ), the recurrent parent needs separate " line breeding " for its maintenance as a future recurrent parent in the backcrossing.