Submitted by kisamoto t3_yfz6cp in explainlikeimfive
BryKKan t1_iu9r08k wrote
Reply to comment by Lithuim in ELI5 why do humans and most (all?) animals have symmetrical bodies? by kisamoto
Just to nit-pick, there's no need for any "copy-paste". All¹ of our cells contain our entire genome.
¹Well, almost all. Red Blood Cells eject their nucleus, and thus don't retain the DNA when mature.
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