نتایج جستجو برای: weinberg equilibrium were conducted using chi

تعداد نتایج: 5834681  

2013
J. Y. Bai

This study aims to provide a basis for the evaluation, protection, and utilization of the genetic resources of Chinese Yellow Quails by analyzing the polymorphism of these quail groups with nine microsatellite markers using the polyacrylamide gel electrophoresis. A total of 48 alleles were identified from nine microsatellite markers, with an average of 5.3 alleles per marker. The average hetero...

پایان نامه :دانشگاه رازی - کرمانشاه - دانشکده ادبیات و علوم انسانی 1393

in recent years, there has been a growing interest among researchers to investigate the relationship betweenteacher self-efficacy and classroom behavior management, especially students misbehavior. therefore, this study aimed to comparatively investigate english and arabic teachers’ use of different behavior managementstrategies, their self-efficacy, and their success in an iranian context. th...

Journal: :تولیدات دامی 0
هنگامه وفایی دانش آموخته کارشناسی ارشد، گروه علوم دامی، دانشکده کشاورزی، واحد مشهد، دانشگاه آزاد اسلامی، مشهد، ایران مجتبی حسین پور مشهدی استادیار، گروه علوم دامی، دانشکده کشاورزی، واحد مشهد، دانشگاه آزاد اسلامی، مشهد، ایران

this study was conducted to investigate the single nucleotide polymorphism of stat1 gene by pcr-rflp technique and association of genotypes with milk production traits in brown swiss dairy cattle. the blood samples of ninety eight cows were collected randomly from tail vein. the dna was extracted with cinagene kit (pr881612c). fragment of 314 bp of stat1 gene was amplified by pcr and digested b...

Journal: :international journal of hematology-oncology and stem cell research 0
fatemeh farhid msc, department of hematology, school of allied medical sciences, tehran university of medical sciences, tehran, iran fatemeh nadali associate professor, department of hematology, school of allied medical sciences, tehran university of medical sciences, tehran, iran bahram chahardouli assistant professor, hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran saeed mohammadi phd, hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran shahrbano rostami assistant professor, hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran kamran alimoghaddam professor, hematology-oncology and stem cell transplantation research center, tehran university of medical sciences, tehran, iran

background : to determine the frequency of the single nucleotide polymorphism m287t in exon 9 of the as3mt gene in iranian population and to assess the difference in allele frequencies with other ethnicities. subjects and methods : genotyping analysis was performed on 150 healthy subjects using the pcr-rflp assay. we used chi-square analysis to check the deviation from hardy–weinberg equilibriu...

Journal: Poultry Science Journal 2017

This investigation aimed to study polymorphism of growth hormone (GH), growth hormone receptor (GHR), and insulin like growth factor 1 (IGF-1) genes and their associations with growth and carcass traits in Mazandaran native chicken. 200 male chicks were reared and slaughtered at 12 weeks of age. Traits including live weight at 4, 8 and 12 weeks of age, body weight and weights of heart, liver, g...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان 1392

in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات و زبانهای خارجی 1391

esl/efl books play a crucial role in shaping language learners worldview of gender roles in society. the present study investigated the status of sexism in two sets of efl textbooks, one developed by non-native iranian authors (ili series) and the other by native authors (top notch series). first, two books from each series was selected randomly. then, a quantitative analysis was carried out wi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1392

abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1393

this thesis attempts to measure learning styles, self efficacy and intrinsic motivation as predictors of iranian ielts reading comprehension. in order to address this issue, a quantitative study was conducted on some randomly selected intact students at ferdowsi university. these two groups were assigned as they were undergraduate (ba=91) and graduate (ma =74) students; they were all aged betwe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - پژوهشکده ادبیات 1391

the major purpose of this study was to develop the translation teacher competency test (ttct) and examine its construct and predictive validity. the present study was conducted in two phases: a qualitative phase as well as a quantitative phase. in the first phase of the study, the author attempted to find out the major areas of competency required for an academic translation teacher. the second...

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