نتایج جستجو برای: chromosome study

تعداد نتایج: 4058431  

Journal: :journal of agricultural science and technology 2016
s. a. savitha s. a. desai s. s. biradar r. naik h. c. lohithaswa

a study was conducted to identify ssr markers linked to leaf rust resistance genes lr24 and lr28 and to be used for marker-assisted selection (mas) to transfer both genes to a widely cultivated wheat variety mp 3299 under rainfed condition. f2 individuals of the cross mp 3299×nil pbw 343 were used for generating genotypic data employing closely linked scar markers s73719 and s421570 to lr24 and...

Journal: :journal of sciences, islamic republic of iran 2012
m. salehi

chromosomal abnormalities are major causes of infertility, miscarriage and birth of handicapped progeny. in human live births, the prevalence of a chromosome aberration is ?0.5% and, of these, 0.1–0.3% correspond to structural chromosome rearrangements such as translocations, inversions, insertions and deletions .our proband is an infant who had died 4 hours after birth due to a variety of abno...

Journal: :cell journal 0

introduction: the incidence of chromosomal abnormalities was investigated in untransfered embryos reuslted from in vitro fertilization (ivf) or intracytoplasmic sperm injection (icsi) procedures. materials and methods: a total of 238 embryos of varying morphology between the pronucleated stage and 8-cells were analysed. the cytogenetic method of dyban was used for chromosome preparation. embryo...

Journal: :علوم گیاهان زراعی ایران 0
سعید یاراحمدی محمد مهدی سوهانی ابوبکر جوهرعلی بابک ربیعی علی اکبر عبادی

tagging of restorer genes for wild abortive (wa) of cytoplasmic male sterility was carried out by studying 10000 individuals from an f2 population of a cross between ir58025a × ir42686r. this study was primarily carried out to reduce the distance of the already known markers for rf gene. this f2 population was identified to be unique as four rf genes could be tagged to ssr markers on chromosome...

Journal: :basic and clinical neuroscience 0
nasim vousooghi mitra-sadat sadat shirazi ali goodarzi peyman hassani abharian mohammad-reza zarrindast iranian national center for addiction studies (incas), iranian institute for reduction of high-risk behaviors and department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran

introduction: x chromosome inactivation (xci) is a process during which one of the two x chromosomes in female human is silenced leading to equal gene expression with males who have only one x chromosome. here we have investigated xci ratio in females with opioid addiction to see whether xci skewness in women could be a risk factor for opioid addiction. methods: 30 adult females meeting dsm iv ...

Ganesan P Khan FH Kumar S

Background: The Y chromosome microdeletion is one of the best-documented causes of male infertility but the factors responsible for Y chromosome microdeletions in spermatozoa remain unresolved. However, the environmental pollutants are known to damage DNA in differentiating and maturing germ cells in the male reproductive tract. In view of this, the objective of the present study was to explore...

Journal: رستنیها 2008
F. TAJIK S.M. GHAFFARI,

Original meiotic or mitotic chromosome counts are presented for 17 species in 12 families of angiosperms from Iran. Chromosome counts for Amberboa nana, n=16 (Asteraceae) and Camelina rumelica subsp. transcapica, n=13 (Brassicaceae) are repoted for the first time. Chromosome numbers for six species including: Rhagadiolus stellatus (n=5), Campanula raponcoloides (n=34), Campanula trachelium (n=1...

Journal: :تحقیقات دامپزشکی 0
فرهاد امینی دانشکده دامپزشکی دانشگاه تهران سیده منصوره منصوری دانشکده دامپزشکی دانشگاه تهران

because of limits in applicable karyological techniques and also the presence of a large number of small chromosomes in penaiedae family, the study on the number, structure, and the formula of the chromosomes in these shrimps is difficult. the present cytogenetic study was conducted on penaeus (fenneropenaeus) merguiensis native to persian gulf and oman sea by preparing spreads from various ear...

Journal: :تحقیقات دامپزشکی 0
فرهاد امینی دانشکده دامپزشکی دانشگاه تهران سیده منصوره منصوری کارشناس ارشد -شیلات بندر عباس

because of limits in applicable karyological techniques and also the presence of a large number of small chromosomes in penaiedae family, the study on the number, structure, and the formula of the chromosomes in these shrimps is difficult. the present cytogenetic study was conducted on penaeus (fenneropenaeus) merguiensis native to persian gulf and oman sea by preparing spreads from various ear...

Journal: :archives of razi institute 2016
s. masoudi

in this syudy a continuous bovine kidney cell line derived from a primary bovine kidney cells was established for the first time in iran. the cells were originating from two-day-old normal male calf of holstein breed. the cell cultures were continuously passaged following complete proliferation of primary cells. the specific properties or characteristics of the cell were defined using cytogene...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید