نتایج جستجو برای: dicentric y chromosome
تعداد نتایج: 603928 فیلتر نتایج به سال:
The presence of an isochromosome Xq in Klinefelter syndrome (KS) is an apparently rare condition. In all cases reported so far, patients showed the classic phenotype. We here describe a case of isochromosome Xq [47,X,i(Xq),Y] in a non-mosaic KS patient. The patient exhibited a normal androgenized phenotype, normal testes and normal cognitive abilities. Semen analysis revealed a medium oligozoos...
A conditional centromere was constructed in Saccharomyces cerevisiae by placing the centromere of chromosome III immediately downstream from the inducible GAL1 promoter from S. cerevisiae. By utilizing growth conditions that favor either transcriptional induction (galactose-carbon source) or repression (glucose-carbon source) from the GAL1 promoter, centromere function can be switched off or on...
Pericentric inversion of the secondary constriction region (qh) of human chromosome 9 is a frequent occurrence. This structural alteration is regarded as a normal familial variant, termed heteromorphism, and is inherited in a Mendelian fashion without any apparent phenotypic consequences. We characterized the qh region of chromosome 9 from five individuals using a series of molecular cytogeneti...
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