نتایج جستجو برای: locus with multiple alleles compatibility of pollen

تعداد نتایج: 22218165  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و علوم انسانی 1389

current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...

Journal: :Genetics 1982
S L Anagnostakis

The loci cre, met and ts segregate independently in Endothia parasitica. The phenotype brown (br) seems to be determined by an allele at or very near the cre locus. The vegetative compatibility types (v-c) 5 and 39 are determined by different alleles at a locus that is not linked to cre, met or ts. Analysis of two crosses of v-c 5 strains by v-c 10 strains provides evidence that these two v-c g...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1391

this ethnographic case study research was carried out in a private school setting in the context of iran. the research tried to explore the analysis and identity construction of a group of learners and teachers along with the content analysis of books on the basis of four types of commodified, political, national and narrative identities. how english language learners and teachers in an informa...

.C.Y Lu C. Li D.C. Cao L. Cheng X.H. Zheng X.W. Sun,

The silver crucian carp (Carassius auratus gibelio), a gynogenetic teleost, is a promising model for the study of evolutionary genetics in vertebrates. We identified ten gynogenetic clones (FZ-I~FZ-X) from triploid silver crucian carp, collected from Fangzheng County in Heilongjiang Province, China, using microsatellite markers. The genetic diversity of these gynogenetic clones was analyzed usi...

Cao, D.C., Cheng, L., Li, C., Lu, .C.Y, Sun, X.W., Zheng, X.H.,

The silver crucian carp (Carassius auratus gibelio), a gynogenetic teleost, is a promising model for the study of evolutionary genetics in vertebrates. We identified ten gynogenetic clones (FZ-I~FZ-X) from triploid silver crucian carp, collected from Fangzheng County in Heilongjiang Province, China, using microsatellite markers. The genetic diversity of these gynogenetic clones was analyzed usi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1392

abstract due to the growing importance and influence of the self of the teacher in the field of educational and cognitive psychology, the current study intended to investigate the relationship between three teacher qualities and characteristics, i.e. teacher self efficacy, self regulation, and success as perceived by their learners. the study aimed at finding whether teacher self efficacy an...

Journal: :Molecular plant 2014
Justin S Williams Christopher A Natale Ning Wang Shu Li Tarah R Brubaker Penglin Sun Teh-hui Kao

Dear Editor, Petunia possesses self-incompatibility (SI), by which pistils reject self-pollen but accept non-self pollen for fertilization (de Nettancourt, 2001; Iwano and Takayama, 2012). Genes that regulate self/non-self recognition between pollen and pistil are located at the highly polymorphic S-locus. An S-haplotype contains the pistil-specific S-RNase gene that regulates pistil specificit...

رفعت , فرهاد, عدولی, بابک , گلعین , بهروز , گل‌محمدی, مرتضی ,

Simple sequence repeats (SSR) polymorphism in citrus including male sterile, sterile, low fertile and fertile was examined by analyzing 28 representative accessions sampled from north of Iran. Fifty four polymorphic alleles with an average of 4.2 alleles per primer were detected from eight pairs of used primers. The lowest number of alleles was observed in TAA27, CTT01, CCSM18 and ATC09 loci wi...

Journal: :Genetics 2010
Tatsuya Tsukamoto Nathanael R Hauck Ryutaro Tao Ning Jiang Amy F Iezzoni

Tetraploid sour cherry (Prunus cerasus) has an S-RNase-based gametophytic self-incompatibility (GSI) system; however, individuals can be either self-incompatible (SI) or self-compatible (SC). Unlike the situation in the Solanaceae, where self-compatibility accompanying polyploidization is often due to the compatibility of heteroallelic pollen, the genotype-dependent loss of SI in sour cherry is...

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