A single genetic defect on the X chromosome that can result in a wide array of conditions — from learning and emotional difficulties to primary ovarian insufficiency in women and tremors in middle-aged men — occurs at a much greater frequency than previously thought, research led by the UC Davis MIND Institute has found.
The research is based on the first large-scale, multicenter newborn screening effort for the defect in the United States, conducted in a group of more than 14,200 male and female infants at three research university medical centers piloting a new infant screening test developed at UC Davis.
(via Genetic defect that causes fragile X-related disorders more common than thought)
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