منابع مشابه
Immunoglobulins and the X-chromosome.
Serum levels of immunoglobulins (Ig) G, M, and A were determined in 28 women with an additional X-chromosome (XXX), and in equal numbers of age-matched normal women and men. Mean IgM levels were found to be highest in the XXX group, intermediate in normal women, and lowest in men; these differences were statistically significant. Mean IgM values obtained from seven XXY and three XXXY cases were...
متن کاملX Chromosome Inactivation in Opioid Addicted Women
Introduction: X chromosome inactivation (XCI) is a process during which one of the two X chromosomes in female human is silenced leading to equal gene expression with males who have only one X chromosome. Here we have investigated XCI ratio in females with opioid addiction to see whether XCI skewness in women could be a risk factor for opioid addiction. Methods: 30 adult females meeting DS...
متن کاملIntelligence and the X chromosome.
T-shirts that read: "Xq28-Thanks for the genes, Mom!" were produced in the homosexual community in San Francisco when linkage studies first suggested that the gay gene might be at that location. A T-shirt with a wider application might be one that gives thanks to mothers from their children for her X chromosomes for their major contribution to their intelligence. Intelligence has been defined "...
متن کاملEscapees on the X chromosome.
I many organisms, differentiation of the sex chromosome complement resulted in the coordinated regulation of genes on whole chromosomes to equalize gene expression between the sexes. In mammals, X inactivation evolved to restore equal expression of X-linked genes in males and females (1). Although X inactivation consists in the general repression of most genes on the X, some genes escape inacti...
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ژورنال
عنوان ژورنال: BMJ
سال: 1969
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.4.5675.110-a