Amount of gene surplus determines severity of mental retardation in males

Thursday, December 10, 2009 - 14:42 in Health & Medicine

Leuven, 10 December 2009 -- Researchers have discovered a new explanation for differences in the severity of mental illness in males. The more excess copies of a certain gene, the more serious the handicap. The genetic defect is situated on the X-chromosome; and it is suspected that it is the amount of copies of the GDI1 gene that is responsible. Link:  http://www.vib.be ...

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