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When did scientist figure out about DNA? And How old were you when you knew about it?


I'm totally clueless but I think they just found out about it not too long ago... My 8 yr old just picked a chunk of dog hair up off the floor and said "did you know this has DNA in it?" Im amazed.

 

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Rhys Baker (TFScientist) says

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5 years ago
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Shahid Bukhari says

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6 years ago
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