Application of marker assisted backcrossing to introgress the submergence tolerance qtl. Selection theory for markerassisted backcrossing genetics. Marker assisted selection in comparison to conventional plant. Breeding strategies for maintaining colonies of laboratory mice. With the pdf to powerpoint converter in adobe acrobat dc, creating and saving your presentation file is simple. Similarly, the recent integration of advances in biotechnology, genomic research, and molecular marker applications with conventional plant breeding. Presentation pdf available december 2017 with 620 reads. The fundamental discoveries of darwin and mendel established the scientific basis for plant breeding and genetics at the turn of the 20th century. The file is converted to pdf, and then a dialog box tells you that it is ready to download.
Once youve completed editing your powerpoint, you can change it back to pdf to make it easier to view and distribute. There are no limitations regarding the number of files to be processed and theres also no need to create an account. It is used in horticulture, animal breeding and in production of gene knockout organisms. Our data demonstrate that highspeed backcrossing through the female germline is. Turn your pdf presentations to editable powerpoint ppt and pptx slideshows. Originally developed by forethought, who microsoft bought out, ppt is the worlds most popular presentation file format.
Pdf to ppt converter convert pdf to powerpoint online free. These techniques have been developed and used by the jackson laboratory for nearly 80 years. Save powerpoint presentations as pdf files office support. You reached the maximum number of files for this function.
Molecular plant breeding as the foundation for 21st century. Work with the most accurate pdf to powerpoint converter. Afterwards, click on save changes and leave the hard work to us. Powerpoint to pdf convert your ppt to pdf for free online. Convertio advanced online tool that solving any problems with any files. In backcrossing with selection for the presence of a target gene, stam and zeven 1981 derived the expected donor genome proportion on the. Kelley richardson, department of crop and soil sciences, oregon state university. Backcross breeding is an effective method to transfer one or a few genes controlling a specific trait. Certain of the hypotheses listed below hold in many. By using this online ppt to pdf converter you can convert powerpoint presentations to pdf absolutely free. Convert pdf to ppt online and free this page also contains information on the pdf and ppt file extensions.
Use our free online ppt to pdf converter tool to convert your document back to pdf. Backcrossing is a wellknown and long established breeding scheme where a characteristic is introgressed from a donor parent into the genomic background of a recurrent parent. Application of marker assisted backcrossing to introgress the. It provides a precise way to improve varieties that excel in a large number of attributes.
Then, f1 mice are mated with a member of one of the parental inbred strains to generate n2 mice. Review article melese lema assistant crop improvement researcher at southern agricultural research institute, ethiopia. To perform phenotypic selection in segregating progenies for lines carrying the opaque2 mutation, it is necessary either to wait until the plants produce mature ears, or to do random pollination on a large number of plants. Convert pdf to powerpoint with this easy to use and fast pdf converter. If you want to convert to pdf, you will get the option to use ocr. The prime aim of backcross breeding is to transfer one or more genes of interest trait from donor parent into the background of the improved. Acrobat can turn your pdf into a ppt file or the pptx file format in seconds on desktop, using online services, or on your phone. Dont download software use zamzar to convert it for free online. Thanks to our advanced conversion technology the quality of the output will be exactly the same as if the file was saved through the latest microsoft office 2019 suite. To keep a pdf file as a support document for your presentation insert the entire pdf into the presentation as an object that you can open and view during your presentation. Backcrossing is a crossing of a hybrid with one of its parents or an individual genetically similar to its parent, in order to achieve offspring with a genetic identity which is closer to that of the parent. To show content from a pdf on a slide take a picture of the part of a pdf that you want, and paste it on your slide. People can view the slides even if they dont have powerpoint, but they cant make changes to it. Convert powerpoint to pdf make ppt and pptx slideshows easy to view by converting them to pdf.
Patrick byrne, department of soil and crop sciences, colorado state university. Mar 04, 2015 backcrossing is a widely used technique in rice breeding for introgression or substitution of a target gene from donor parent to recipient. Turn your documents into presentation with this online tool. Lettuce genes with ve like sequences are good targets for functional testing and development of molecular markers marker assisted selection could accelerate. Backcross, the mating of a hybrid organism offspring of genetically unlike parents with one of its parents or with an organism genetically similar to the parent.
Wait for smallpdf to convert the file to pdf format. You can convert a pdf to powerpoint, choosing either ppt or pptx. Best way to convert your ppt to pdf file in seconds. Sep 14, 2016 backcrossing backcross breeding is a wellknown procedure for the introgression of a target gene from a donor line into the genomic background of a recipient line. Other than that, if the receiver has a different operating system, he might see your powerpoint presentation differently. The variety which receives gene is recipient parent and variety which is the source of gene is called as donor parent.
Pdf files preserve the layout and there wont be any risk of losing data. In the publish as pdf or xps dialog box, choose a location to save the file to. Chapter 19 technical, economic and policy considerations on. Convert and create pdf from various types of files like word doc, excel xls, powerpoint ppt. This is achieved by hybridization followed by backcrossing to the recurrent parent for several generations, selecting at each generation to ensure that the desired gene or genes are present in the. You can work and convert online, whether youre at work or. Highspeed mouse backcrossing through the female germ line.
In mars, markers are used during recurrent backcrossing to select for the presence of the target gene foreground selection, to select against the donor genome. Difference between test cross and backcross compare the. Understanding the difference between test cross and backcross is important in genetics as. Accelerated development of rice stripe virusresistant, nearisogenic. The objective is to reduce the donor genome content dgc of the progenies by repeated backcrosses. Patricia hain, department of agronomy and horticulture, university of nebraskalincoln. Abqtl approach displayed that the genetic potential of exotic germplasm cannot be predicted. Breeding strategies for maintaining colonies of laboratory mice a jackson laboratory resource manual this manual describes breeding strategies and techniques for maintaining colonies of laboratory mice. Pink3, an aromatic and potentially highyielding rice varietyalthough. Lettuce breeding and genetics united states department of. Mabc has three main advantages over conven tional backcrossing. Amongst many others, we do support pdf, pptx, ppt, odp. Pdf is a file format developed by adobe systems for representing documents in a manner that is separate from the original operating system, application or hardware from where it was originally created.
Backcross breeding enables breeders to transfer a desired trait such as a transgene from one variety donor parent, dp into the favored genetic background of. Cloudconvert is a online document and presentation converter. Drag and drop or click upload file to import your ppt. Backcrossing backcross breeding is a wellknown procedure for the introgression of a target gene from a donor line into the genomic background of a recipient line. Pdf to ppt, how to convert a pdf to powerpoint adobe acrobat dc.
Pyramiding multiple genes into a desirable genetic background can take years to accomplish. Dec 04, 2014 the key difference between test cross and backcross is that the test cross is the cross that occurs between a dominant phenotype and a recessive phenotype while the backcross is the cross that occurs between generation f1 hybrid and one of the two parents. Pdf backcrossing is a wellknown and long established breeding scheme where a characteristic is introgressed from a donor parent into the genomic. Scribd is the worlds largest social reading and publishing site. Backcrossing breeding free download as powerpoint presentation. Backcrossing is a crossing of a hybrid with one of its parents or an individual genetically similar. Pdf on dec 10, 2017, jakir hossain and others published backcross breeding find, read. And thats why it is better to turn a ppt file to pdf and make sure your presentation is viewed in the right way. Insert pdf file content into a powerpoint presentation.
On the result page, proceed to modify the file further if needed. First, we backcrossed and screened bc1f1 and bc2f1 plants having similar agronomic traits as unkwang and the. It is a very powerful tool that you can use to create presentations that include pictures. Backcross method for dominant and recessive gene transfer. Backcross breeding method 410 hort 407 2 backcross breeding at the end, all genes will be homozygous except the genes transferred from the donor parent one or few generation of selfing will result in a variety homozygous at all loci, including newly transferred genes the new variety would have all the adaptability of the recurrent parent in addition to the good characteristics of the. Backcrossing breeding dominance genetics plant breeding. A message bar appears to show you that the downloaded pdf file is ready to save to your computer. If you have a scanned page or image, you can use ocr to extract text from your file and paste it into the new pdf document. Pseudobackcrossing design for rapidly pyramiding multiple.
Backcrossing basics genetic technology super workshop ames, ia february 3, 2010 presented by chad geater, phd regional maize product development head syngenta seeds slater, ia prepared by thomas prest, phd maize genetic development scientist syngenta seeds slater, ia. Click create pdfxps document, then click create pdfxps. Pdf converter is a online webbased document to pdf converter software. After the first backcross, and after every two subsequent backcrosses, f2 generations must be grown to identify rust resistant plants.
The backcross is useful in genetics studies for isolating separating out certain characteristics in a related group of animals or. Conducting a mas program markerassisted backcrossing for a single gene markerassisted selection for multiple genes summary and future outlook. Backcrossing is a useful breeding strategy where the object is to introduce a limited number of characters from one of the parents. Backcrossing could be an effective breeding scheme for this trait potentially faster and easier than pedigree breeding resistance in tomato and lettuce may be functionally similar. We shall investigate the diallel cross consisting of the progeny of n selfed homozygous lines and their n2 n crosses. In this paper, a pseudobackcrossing scheme was designed to shorten the backcrossing cycle needed. Convert ppt to pdf online and free this page also contains information on the ppt and pdf file extensions for windows and mac.
Backcross breeding method 410 hort 407 4 backcross breeding at the end, all genes will be homozygous except the genes transferred from the donor parent one or few generation of selfing will result in a variety homozygous at all loci, including newly transferred genes the new variety would have all the adaptability of the recurrent parent in addition to the good characteristics of the. Abqtl approach displayed that the genetic potential of. With the pdf to powerpoint converter in adobe acrobat dc, creating and saving your presentation is simple. Pdf selection in backcross programmes researchgate.
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