Our DNA carries ancient bacterial code
Our human genome contains genetic code from ancient bacterial ancestors, a surprising legacy of cellular partnerships billions of years ago.
Did you know your own DNA holds secrets from ancient bacteria? Around 1.5 to 2 billion years ago, an ancestral cell engulfed a bacterium, which then evolved into mitochondria – the powerhouses of our cells. This incredible partnership, called endosymbiosis, left a lasting mark.
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