Only two genes make the man…or mouse

Scientists have practically obliterated the ultimate symbol of maleness in DNA, the Y chromosome, and believe they may be able to do away with it completely. They condensed all the genetic information normally found on a mouse’s Y chromosome to just two genes.

Their study, in the journal Science, showed the male mice could still father babies, albeit needing advanced IVF. The team in Hawaii argues that the findings could one day help infertile men with a damaged Y chromosome.

Read the full, original story here: Y chromosome: Why men contribute so little

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