نتایج جستجو برای: genetic

تعداد نتایج: 614534  

Journal: :iranian journal of ichthyology 0
hamed kolangi miandare department of fisheries, faculty of fisheries and environment, gorgan university of agricultural sciences and natural resources, gorgan, golestan, iran. omid jafari department of fisheries, faculty of fisheries and environment, gorgan university of agricultural sciences and natural resources, gorgan, golestan, iran. hajer ben alaya laboratory of marine biology, university of sciences of tunis, tunisia.

the aim of this study was to access the genetic differentiation of paraschistura sp. in kheirabad and brim rivers (zohreh river system, persian gulf basin), iran. for this purpose, 60 samples including 30 male and 30 female samples from each river were collected. a total of six microsatellite loci (bbar4, bbar7, ic228, ic230, ic434 and ic720) were used and all of them showed high polymorphism (...

Journal: :علوم دامی ایران 0
ابوالقاسم سراج دانشجوی دکتری دانشکده کشاورزی دانشگاه تربیت مدرس رسول واعظ ترشیزی استادیار دانشکده کشاورزی دانشگاه تربیت مدرس عباس پاکدل استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران

influence of maternal and sire-generation interaction effects on day-old chick' weight was investigated in two commercial broiler sire and dam lines, and in mazandaran native fowls. the data were analysed through restricted maximum likelihood (reml) procedures, using asreml software. ten different animal models were implemented and compared with likelihood ratio test. all models consisted ...

Journal: :علوم دامی 0
علی محمدی دانش آموخته کارشناسی ارشد، دانشگاه تبریز صادق علیجانی دانشیار، دانشگاه تبریز اکبر تقی زاده استاد، دانشگاه تبریز مهدی بهلولی دانشجوی دکتری، دانشگاه تبریز

in order to estimate the genetic parameters and comparison legendre polynomials for production traits of iranian holstein dairy cattle test-day records of first lactation cows for milk yield, fat yield, protein yield, fat percentage and protein percentage traits were used. these records collected from 2006 to 2010, by the animal breeding center of iran. the genetic parameters were estimated usi...

Journal: :iranian journal of psychiatry and behavioral sciences 0
hamid mostafavi abdolmaleky department of psychiatry, tehran psychiatric institute and mental health research center, iran university of medical sciences hamid reza ahmadkhaniha shabnam nohesara cassandra l smith

the molecular mechanisms of the fact that more than 50% of the individuals with the same genetic make up (e.g. identical twins in schizophrenia) do not show the same psychiatric phenotype remained undefined in psychiatry. this along with the failure to find responsible genes with major effects in psychiatric disorders and lack of consistency of genetic association studies led to the current una...

Journal: :پژوهش های علوم دامی ایران 0
هادی فرجی آروق علی اصغر اسلمی نژاد محمد رکوعی

the aim of this study was to estimate the genetic and phonotypic trends of somatic cell score in iranian holstein cows. also, the environmental factors affecting this trait are investigated. a total of 375351 test day records of somatic cells take from 54374 animals between year 2002 and 2007 were used in this study. the breeding values were estimated by fitting animal model in asreml software....

Journal: :international journal of advanced biological and biomedical research 2013
ezatollah farshadfar hossein romena akbar shabani

selection of genotypes based on high value of heritability and forecasted genetic conditions would be an effective method for improvement of wheat cultivars. the present investigation was carried out to estimate the genetic variability of agro-physiological characters using biometrical genetic techniques in 20 bread wheat genotypes under irrigated condition. for this purpose an experiment was c...

Journal: :the modares journal of electrical engineering 2011
saeideh sadat sadidpour mohammad mahdi homayounpour mahdi fasanghari

in this paper, genetic programming is applied for quality improvement of noisy speech signal. therefore, a system including both spectral subtraction and genetic programming is implemented for speech enhancement. in the proposed method, first noise is reduced by spectral subtraction. in the next step, genetic programming trees are trained for more enhancement of noisy signal by mapping the sign...

Habib Onsori, Hamed Talebi-Rad, Somayeh akrami

Elaeagnus angustifolia L. is a Eurasian tree that has become naturalized and has various ecological, medicinal and economical uses. In this study, a combination of morphological traits and RAPD markers were used to study the presence or absence of an association between genetic variation and morphological features among five populations of E. angustifolia collected from the East Azarbaijan of I...

Disorders of sex development (DSDs) are a group of genetic abnormalities which develop from different conditions including chromosomal and gonadal disorders. The careful study of underlying pathways of sex development is necessary due to identification of genes that have a role in these pathways. And it can help to better understanding of the cause of disorder, genetic counseling and prevention...

al et S. Dorafshan,

The genetic structure of the genus Alburnus is not well known and the phylogenetic relationships among its species are uncertain. In the present study, simple sequence repeats (SSRs or microsatellites) were used to evaluate genetic diversity and genetic differentiation between Alburnus mossulensis Heckel, 1843 from Kashgan River in Lorestan province and Alburnus caeruleus Heckel, 1843 from Gama...

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