backcross造句
1. The related techniques in backcross breeding were also discussed.
2. Pedigree method, backcross method and convergent cross selection are used widely in dwarf maize breeding.
3. The waxy wheat lines were bred through backcross method using induced waxy wheat line TN-1 and 3 Guangdong local non-waxy wheat cultivar (the recurrent parents).
4. Backcross makes a notable impact eff ection on improving fibre yield and long fibre content.
5. Backcross A cross between an individual and an individual of the original parent generation.
6. Backcross breeding is a useful method to transfer favorable alleles from a donor parent into a recipient parent. Marker-assisted selection (MAS) can speed up the process.
7. The double low variety used backcross male parent for double high GMS, the double low GMS had been bred through continuous backcross, at the same time, the double low hybrid has be en bred.
8. The variance component of cross and backcross generations of quantitative character controlled by multigenes is studied on condition of chromosome translocation.
9. The method can be conveniently applied to practical backcross breeding programs.
10. The Oct-11a and Oct-11b loci were mapped by interspecific backcross analysis.
11. A method to estimate the minimal sample size required for marker assisted backcross breeding when both foreground selection and background selection are conducted is proposed.
12. At the same time the applications of the method in the different segregating generations such as the F2, backcross, RIL, DH and so on were introduced and compared.
12.try its best to collect and build good sentences.
13. Keep the original strains going. After several generations you will need to backcross to one of the previous strains.
14. Methods The mice were bred in different ways, including crossbreed, backcross and intercross.
15. Molecular marker-assisted selection (MAS) provides a very efficient tool for backcross breeding because it can offer rapid and precise selection of the targeted gene.
16. Improved CMS line of Wu Ta Tsai was similar to its recurrent parent in economic traits with backcross generation, but it has severe selfed depression.
17. The body weights and body sizes of positive and inverse backcross progeny of Charolais and Nangyang yellow cattle and Nangyang yellow cattle were compared.
18. For this reason, in this type of species such as the silkworm, backcross population is generally used to map dmninant-recessive markers.
19. Male sterile line mainly came from the natural mutant, and then transformed sterile line and maintainer line by backcross.
20. In this study, we used marker-assisted selection for high-oleic, low linolenic acid content rapeseed in three backcross combinations.
21. Yield capacity and main agronomic characters were all affected by the cytoplasmic herbicide resistant gene in most of the backcross, composite cross and F2 populations.
22. A burro is carrying salt of one large bag backcross a river.
23. Doing foreground selection of BC_1F_1 with polymorphic locus, 161 donor segment were detected, and doing background selection and backcross for plants containing donor segment.
24. No significant differences in studied traits was obssrved among the groups with various genes, controlling erucic acid content(EAC)in the backcross generation.