نتایج جستجو برای: tetrasomy
تعداد نتایج: 240 فیلتر نتایج به سال:
A 4-day-old Caucasian male presented with midline defects of the skull and face and extensive skeletal malformations. Chromosome analysis of peripheral blood lymphocytes showed tetrasomy 9p (47,XY, + i(9p) with no evidence of mosaicism. Confirmation of the cytogenetic interpretation was obtained from the assay of the enzyme galactose-1-P uridyl transferase, the locus for which is on 9p, which s...
Most models of speciation require gradual change and geographic or ecological isolation for new species to arise. Homoploid hybrid speciation occurred readily between Saccharomyces cerevisiae and Saccharomyces paradoxus. Hybrids had high self-fertility (about 82%), low fertility when backcrossed to either parental species (about 7.5%), and vigorous growth under different thermal environments th...
Chromosome 18 abnormalities are associated with a range of physical abnormalities such as short stature and hearing impairments. Psychiatric manifestations have also been observed. This study focuses on the presentations of psychiatric syndromes as they relate to specific chromosomal abnormalities of chromosome 18. Twenty-five subjects (13 with an 18q deletion, 9 with 18p tetrasomy, and 3 with ...
Several studies have been reported on the cytogenetic analysis of spontaneous abortions (Aspillage et al., 1966; Boue, Boue, and Lazar, 1967; Carr, 1967; Clendenin and Benirschke, 1963; Hall and Kallen, 1964; Inhorn, Therman, and Patau, 1964; Rashad and Kerr, 1965; Singh, Rubinoff, and Carr, 1966; Szulman, 1965; Thiede and Salm, 1964; Thiede and Metcalfe, 1966; Waxman, Arakaki, and Smith, 1967)...
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