نتایج جستجو برای: chromosomes
تعداد نتایج: 69093 فیلتر نتایج به سال:
Direct Chromosome Preparation Method in Avian Embryos for Cytogenetic Studies: Quick, Easy and Cheap
Avian cell culture is widely applied for cytogenetic studies, the improvement of which increasingly allows production high-quality chromosomes, essential to perform both classical and molecular studies. Among these approaches, there are two main types: fibroblast bone marrow culture. Despite its high cost complexity, considered superior approach due quality metaphases produced. Short-term culti...
The genomic in situ hybridization (GISH) has been used to identify euploidy and aneuploidy in segregation generations of various plants. In this study, the GISH with minor modifications including, slide preparation of putative secondary Tritipyrum (F2) root meristemic cells, labeled genomic DNA of Thinopyrum bessarabicum by fluorescein 12-dUTP nucleotide as probe, genomic DNA of Thinopyrum bess...
ABSTRACT The fragile X syndrome is the most frequent cause of inherited mental retardation. The fragile site is on the long arm of X chromosome in X q27.3 region. Incidence of syndrome is 1 in 2000 in males and 1 in 2500 in females. This fragile site is visible only with using of special cultural technices. Since females have two X chromosomes, this signs apear less than males. The females who...
Background and Objective: Profound hearing loss is one of the most prevalent congenital disorders affecting about 1 in 1000 newborns. Autosomal recessive non-syndromic hearing loss (ARNSHL) is the predominant form of the severe inherited childhood deafness. This type of hearing loss in one-half of the cases is caused by mutations in GJB2 (connexin 26) and GJB6 (connexin 30) genes located at DFN...
Background & Aim: Alhagi genus has two important medicinal plant species in Iran, including Alhagi pseudoalhagi, and A. graecorum (known “Kharshotor” in Persian). These plants are distributed in Iran like weeds. Generally, Alhagi is used as an anti-hemorrhoid, laxative and diuretic. Manna in both species produced by activity of a kind of insect on <...
The genomic in situ hybridization (GISH) has been used to identify euploidy and aneuploidy in segregation generations of various plants. In this study, the GISH with minor modifications including, slide preparation of putative secondary Tritipyrum (F2) root meristemic cells, labeled genomic DNA of Thinopyrum bessarabicum by fluorescein 12-dUTP nucleotide as probe, genomic DNA of Thinopyrum bess...
Dermanura Gervais, 1856 is represented by small frugivorous bats of the Stenodermatinae subfamily. The taxonomy this group presents controversies and has been subject to changes, especially since morphological characters evaluated have left gaps that are difficult fill regarding good species characterization. Previous studies performed in cinerea found karyotype a diploid number chromosomes equ...
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