Female germ cell aneu-ploidy and embryo death in mice lacking the meiosis-specific protein SCP3. Gametes from embryonic stem cells: a cup half empty or half full? Figure Screening for those X chromosome aneuploidies was possible by noting the presence or absence of "female" sex chromatin bodies Barr bodies in the nuclei of interphase cells in buccal smearsa technique developed a decade before the first reported sex chromosome aneuploidy.
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Michael December Journal List Rev Urol v. Services on Demand Article. November—December In Sandberg, Avery A. Human Chromosome Number. Chromosome Abnormalities and Cancer Cytogenetics.
Baltimore: Johns Hopkins University Press. Bender, Bruce G. Am J Psychiatry. Extreme heterogeneity in the molecular events leading to the establishment of chiasmata during meiosis I in human oocytes. Courtesy of Wide World Photos.
May—June Am J Med Genet. However, mental retardation is not a stable clinical feature of Klinefelter syndrome. A ring chromosome is denoted by the symbol r.