例句與造句

1. While in Tennessee he co-invented the technique of DNA amplification with arbitrary primers [ see DNA amplification fingerprinting ( DAF ) and randomly amplified polymorphic DNA ( RAPD ) ].
2. Other techniques for diagnosis involve serological assays, isoenzyme analysis, restriction fragment length polymorphisms ( RFLPs ), random amplified polymorphic DNA ( RAPD ) assays, and by using monoclonal antibodies.
3. In 1993, Michael L . Arnold ( Department of Genetics of University of Georgia ), carried out molecular study ( using isozyme, cpDNA and RAPD ( Random Amplified Polymorphic DNA ) markers ) on " Iris nelsonii ".
4. All the subspecies, varieties, and cultivars are Random amplified polymorphic DNA has proven useful in sorting out the relationships of the " C . pepo " species, varieties, and cultivars, showing that few, if any, modern cultivars have their origins with " C . texana ."
5. However, results from recent research conducted on * " F . oxysporum " f . sp . " cubense " also have been deduced from the high level of chromosomal polymorphisms found among strains, random amplified polymorphic DNA fingerprints, and from the number and geographic distribution of vegetative compatibility groups.
6. It's difficult to find polymorphic dna in a sentence. 用polymorphic dna造句挺難的
7. This first step is followed by a step of denaturation-renaturation to create hetero-and homoduplexes from the two populations in the PCR . To find a homozygous polymorphism, proceed in the same way by premixing a DNA wild population to a population of polymorphic DNA to obtain heteroduplexes after the denaturation step-renaturation.
8. Some of the molecular methods used in species identification are repetitive extragenic palindromic sequence-based PCR, ribotyping, pulsed field gel electrophoresis ( PFGE ), random amplified polymorphic DNA, amplified fragment length polymorphism ( AFLP ), restriction and sequence analysis of tRNA and 16S-23S rRNA gene spacers and amplified 16S ribosomal DNA restriction analysis ( ARDRA ).