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The deep roots of genetic disorders uncovered

作者:鲜于庾慢    发布时间:2019-03-01 03:19:14    

By Michael Le Page LOOKING back at half a billion years of gene evolution could help uncover the genetic basis of many disorders, including Down’s syndrome. As vertebrates evolved, the entire genome was duplicated not once but twice. In theory, excess genes are superfluous and should soon be lost, but in fact many of the duplicated genes survive to this day – around a third of our genes can be traced back to these two ancient events. So Aoife McLysaght of Trinity College Dublin, Ireland,

 

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