I love this book on the science behind the ancient secret we all harbor: the "name" of our maternal ancestor. Mito DNA is only inheritable from our mother, so it passes from mother, to daughter, & so on, & so forth, back to a single common female ancestor. It mutates roughly once every 10k yrs, so it is a slow clock. These are my inheritrices, River & Cleopatra, ultimately daughters of Ulrike, daughter of Ursula, daughter of Eve. #5monthsold
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