Trout genome de­coded

Down to Earth - - SCIENCE & TECHNOLOGY -

The ge­netic pro­file of the rain­bow trout has been mapped and could give clues to the evo­lu­tion of ver­te­brates. The fish un­der­went a rare genome doubling event around a 100 mil­lion years ago. The evo­lu­tion­ary im­pacts of such doubling events are lost in fu­ture gen­er­a­tions of the species. But 100 mil­lion years is not a very long time in ge­netic terms and hence the fish’s genome could give data on the evo­lu­tion­ary process of ver­te­brates. Na­ture Com­mu­ni­ca­tions,April22

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