Genetic Archaeology Finds Clues to Pregnancy in Male Pipefish, Seahorses

Genetic archaeology is providing a new clue to one of the greatest gender mysteries in the fish world: how did male pregnancy evolve in a family of fish?

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<p><a href="http://www.physorg.com/news84556781.html">Genetic Archaeology Finds Clues to Pregnancy in Male Pipefish, Seahorses</a></p> <p>Genetic archaeology is providing a new clue to one of the greatest gender mysteries in the fish world: how did male pregnancy evolve in a family of fish?</p>