Oldest Case Of Rare Genetic Condition That Sees Males With Extra X Chromosome Discovered
An unusually tall , wide - hipped man who pop off 1,000 years ago in Portugal was the oldest known carrier ofKlinefelter syndrome , a rarefied transmitted condition in which male are bear with an extra copy of the X chromosome . trace the case inThe Lancet , investigator say that this breakthrough could shed light on the prevalence of transmitted disorders throughout human history . Most humankind carry 23 twosome of chromosomes , one of which encompass thesex chromosomes , known as X and Y....