backcrosses वाक्य
उदाहरण वाक्य
मोबाइल
- Recently, molecular techniques including the combined use of backcrosses indicating limited fitness for hybrids and effective reproductive isolation and speciation.
- There are also 11 known triploid clones, produced by backcrosses between clones and " P . indicus ".
- The graphs at right illustrate Backcross inbreeding over twenty backcrosses for three different levels of ( fixed ) inbreeding in the Recurrent parent.
- All the North American species are obligate backcrosses, but in natural areas of sympatry, F2s and backcrosses are absent or rare.
- All the North American species are obligate backcrosses, but in natural areas of sympatry, F2s and backcrosses are absent or rare.
- Ignatov is notable for his five club backcrosses, where he would throw the clubs crossing behind his back and over his shoulder while walking in a circle.
- The original hybrids are rarely fertile ( and hens are backcrosses with domestic chicken are sometimes achieved and thus several landraces of Pacific chickens have some Bekisar ancestry.
- The results showed " H . heurippa " chose to reproduce via backcrossing, while the parental species were highly unlikely to reproduce with the backcrosses.
- Under the rules of botanical nomenclature the name " C . " ?" macrocarpa " covers all intermediate forms between the two parent species, including backcrosses.
- Three backcrosses between " Agropyron cristatum " and " Aegilops tauschii " produces a number stable, fertile lines of " Aegilops tauschii " that then has resistance to leaf rust.
- The hybrid populations are propagated, however, not by the above primary hybridisations, but predominantly by backcrosses with one of the parental species they coexist ( live in sympatry ) with ( see below in the middle ).
- Unlike many other spleenworts, it is not particularly sensitive to soil pH . It hybridizes with several other spleenworts, particularly allotetraploid hybrids, and backcrosses to the parents are collectively known as the " Appalachian " Asplenium " complex ".
- Studies of mtDNA and allozymes in adult populations show that the distribution of genotypes between the two species is bimodal; pure parental types are most common ( representing above 75 % of individuals ) while backcrosses close to parental forms are the next most prevalent.
- There is strong evidence, consistent with their relative size, of the larger " A . chrysopterus " always being the mother and unidirectional introgression of " A . chrysopterus " mitochondrial DNA into " A . sandaracinos " via hybrid backcrosses.
- The gene will also be transferred with the least amount of backcrosses to cultivars genetically closest to each other, generation similar genetic offspring to the recurrent parent, but with gene Lr37, Genetic distances between near isogenic lines ( NILs ) for a particular gene will also give an indication of how many loci, amplified with molecular techniques, need to be compared in order to locate putative markers linked to the gene.
- "A . tutwilerae " is most likely to be confused with " A . ?ebenoides ", from which it can be distinguished by its fertile, well-formed spores ( as opposed to the malformed, sterile spores of the latter ) . " A . tutwilerae " also backcrosses with " A . platyneuron " to form the sterile triploid " A . ?boydstoniae ", but the hybrid's morphology is much closer to " A . platyneuron ".
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