Tag Archives | y chromosome

hormones

Y chromosome not such a dud

It was believed that the X and Y chromosomes – that define the sexes – did not communicate at all, but UK researchers from the University of Leicester’s Department of Genetics have shown that exchanges of DNA do occur between the X and Y in the regions previously thought to be completely isolated. Recently, it […]

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hormones

Male chromosome facing extinction




It has long been suspected that the sex chromosome that only males carry is deteriorating and could disappear entirely within a few million years, but until now, no one has understood the evolutionary processes that control the Y chromosome’s demise. Now, a pair of Penn State scientists has discovered that the Y chromosome has evolved […]




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