I just bought an answering machine.
What should I ask it?
What should I ask it?
@woo @BackFromTheDud @OohOkayKay @kibcol1049
There's a whole lot of interesting links. Like mitochondria descend solely along the female line. Every woman has an x chromosome from both of her grandmothers. Every man has a y chromosome descended through their paternal line.
But family trees are entirely social constructs, so simply reflect the attitudes of the society in which they are constructed.