نتایج جستجو برای: karyotype asymmetry
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BACKGROUND In chronic lymphocytic leukemia (CLL), next-generation sequencing (NGS) analysis represents a sensitive, reproducible, and resource-efficient technique for routine screening of gene mutations. METHODS We performed an extensive biologic characterization of newly diagnosed CLL, including NGS analysis of 20 genes frequently mutated in CLL and karyotype analysis to assess whether NGS a...
Sex chromosome translocations are unique and must be considered separately from translocations between autosomes. Here, we describe the first prenatal case of one twin fetus with an unbalanced translocation between chromosome Y and chromosome 15, presenting a 46,XY,der(15)t(Y;15) karyotype. The other twin had a normal 46,XY karyotype. Cytogenetic analysis of the parental chromosomes revealed th...
عدد کروموزومی و کاریوتیپ گونه های: (2n=32) ranunculus dolosus (ranunculaceae) وsilene conoidea (caryophyllaceae)، ((2n=24 از ایران گزارش می شوند. رویشگاههای طبیعی این گونه ها شمال غرب ایران است. ایدیوگرام گونه ها ارائه شدند. تقارن کاریوتیپی در گونه ranunculus dolosus؛1b و در گونه silene conoidea ؛1a می باشند. فرمول کاریوتیپی در گونهranunculus dolosus ؛ 8m+6sm+2st و درگونه silene conoidea؛12m می...
the chromosomal spread and karyotype of bleak (alburnus alburnus) from anzali lagoon were identified using tissue squashing techniques with injection of 0.5ml/100g body weight of 0.01% colchicines solution in fish fingerlings. kidney and gill tissues were then extracted and chopped in kcl 0.045m for 20 min and fixed in carnoy solution in 3 stages. the chromosomal spreads were stained in 20% gim...
The aim was to characterize the karyotype of rodents of the genus Proechimys from three localities in the central Brazilian Amazon, in the search for new markers that might shed light on our understanding of the taxonomy and evolutionary history of this taxon. Two karyotypes were found, viz., 2n = 28, FN = 46 in individuals from the NRSP (Cuieiras River) and REMAN (Manaus), and 2n = 46, FN = 50...
Central nervous system (CNS) abnormalities are often isolated but can accompany various genetic syndromes. In this study, we evaluated conventional karyotype results and associated findings of fetuses that were diagnosed with CNS abnormalities. Cases included in the study were diagnosed with fetal CNS anomalies and underwent conventional karyotyping. Conventional karyotype results of subjects w...
Specimens of Hoplias malabaricus from Lagoa Carioca, an isolated lake of the Rio Doce State Park (state of Minas Gerais, Brazil), were cytogenetically studied. The diploid number was found to be constant, i.e., 2n = 42 chromosomes, although two karyotypic forms were found: karyotype A, characterized by 22M + 20SM chromosomes, observed only in a male specimen, and karyotype B, characterized by 2...
the current study aims to review the cross sectional variation in cash flow asymmetric timeliness and its effect on conditional conservatism. in this study, data from 120 firms in tehran stock exchange for the period spanning 1384- 1390 were examined. the regression model used in this research is panel data method with fixed effects approach. the most common measure of conditional conservatism ...
The taxonomic position of Hetrodes pupus (Tettigoniidae, Hetrodinae) was clarified by a cytogenetic study of mitotic and meiotic chromosomes, including the localization of heterochromatin by C-banding. The karyotype of this species consists of 26 acrocentric autosomes and an acrocentric X chromosome, the largest element of the karyotype (2n male=27, FN=27; sex determination system is X0 male/XX...
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