For me it is the fact that our blood contains iron. I earlier used to believe the word stood for some ‘organic element’ since I couldn’t accept we had metal flowing through our supposed carbon-based bodies, till I realized that is where the taste and smell of blood comes from.

  • Kazumara@feddit.de
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    1 year ago

    Yeah mitochondrial RNA is separately inherited and only from the mother, because the egg cell has mitochondria whereas the sperm does not.