http://www.msnbc.com/news/928246.asp?0cv=HB10
Scientists have discovered that the Y chromosome uses a neat trick to repair
its most crucial genes, a strategy that apparently helps keep it from rotting
away over evolutionary time. The finding is the result of the first
comprehensive and detailed analysis of the genetic code of the Y chromosome,
which is best known for supplying the biological signal to make males rather
than females.
