Well, by now it's yesterday, but I did read Seven Daughters of Eve, which is a 2001 book about mitochondrial DNA and human history. The 'Eve' of the title is Mitochondrial Eve, of course, and the seven daughters are the most-recent-common-maternal-ancestors of the seven mitochondrial-DNA family groups, into exactly one of which every person with European ancestry straight up the maternal line falls. (There's like thirty-three such women if we count worldwide, says the book. I guess focusing on Europe made it a more punchy title.)
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