نتایج جستجو برای: six sets yielded polymorphic and reproducible bands
تعداد نتایج: 16867412 فیلتر نتایج به سال:
to teach english adequately, qualified teachers are needed. unfortunately, there are still teachers who are teaching english without an academic degree in tefl. it is necessary for teachers to have a major in english to have subject knowledge, but it is not sufficient. teachers need to have an understanding of the social, cultural, moral, ethical, and pedagogical issues of education and practic...
Studying genetic diversity is important because a decrease in genetic variability might result in a reduction of the plasticity of the crops to respond to changes in climate, pathogen populations, or agricultural practices. In this study, 72 Sardari wheat (Triticum aestivum L.) ecotypes were analyzed by AFLP markers and 17 phenotypic characters. Three pairs of EcoRI/MseI primer combinations pro...
ten field isolates of mycoplasma gallisepticum (mg) from different geographical areas of iran were analyzed by random amplification of polymorphic dna (rapd). rapd analysis produced reproducible banding patterns on the basis of which various distinct amplification patterns could be detected. mg isolates compared with reference strains (s6 and mg ss) and vaccine strain (ts-11) and demonstrated d...
The eight SSR′s and 15 RAPD′s primers were used to investigate of genetic diversity and relationship between 20 winter rapeseed genotype. Totally 164 bands were detected from Which 154 were polymorphic. The RAPD primers namely Oligo-670 with 16 bands showed the highest number of detected bands. The mount of Nei′s, Shanon and PIC index for Na12-B02, Ni4-B03, OL10-G04, Oligo-543 and Oligo-670 ind...
in this study, srap molecular maker approach was performed to investigate genetic diversity in the salvia genus. a total of 205 dna bands were produced from pcr amplification of 11 salvia species and populations using 25 selective primer combinations, of which 204 polymorphic genetic loci accounted. the total number of amplified fragments ranged from 3 to 15. the genetic similarities of 11 coll...
Safflower (Carthamus tinctorius L.), a member of the Asteraceae family, is an important plant grown in world as source vegetable oil. In addition, it versatile crop that also used biodiesel, animal feed, spice, dye, and medicinal plant. this study, SRAP markers were to determine genetic diversity relationships between four local three registered safflower cultivars for use cross-breeding progra...
abstract: the present thesis includes ; one preface and 11speeches , that each speech considered in different researches . the prefact part , studied grammer back ground , the first speech considered a brief description about grammatical credits . the second speech considered the different typs of sentences , from structure and meaning points of view . the third speech considered the verb es...
Random amplified polymorphic DNA (RAPD) technique is a simple and reliable method to detect DNA polymorphism. Several factors can affect the amplification profiles, thereby causing false bands and non-reproducibility of assay. In this study, we analyzed the effect of changing the concentration of primer, magnesium chloride, template DNA and Taq DNA polymerase with the objective of determining t...
this exploratory study aimed to investigate a possible relationship between learners’ beliefs about language learning and one of their personality traits; that is,locus of control (loc). both variables, beliefs and locus of control, are assumed to influence the language learning process. the internal control index (ici) and the beliefs about language learning inventory (balli) were administered...
the common reed (phragmites australis) is a perennial weed with the largest geographical distribution of any flowering plant in the world. in this study, 39 populations of common reed were collected and random amplified polymorphic dna (rapd) markers were used to characterize the genetic diversity among these populations. the 16 primers used in this study, amplified 149 scorable rapd bands amon...
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