graham_coop

5 ms·

1. 1.▲
   by graham_coop 13y ago

   Carl Zimmer has a really nice writeup on this, http://phenomena.nationalgeographic.com/2013/05/07/charlemag... , where he discusses Chang's result and Peter Ralph and I's paper on this topic http:&
2. 2.▲
   by graham_coop 13y ago

   However, in the calculation above we have ignored the fact that populations are structured, i.e. individuals any where in the world are not equally likely to be your parents. This means going back a few generations in the past individuals i
3. 3.▲
   by graham_coop 13y ago

   Yes, people have developed simple models to give us some intuition about this question. The first thing to keep in mind is that not everyone at a particular time in the past will leave descendants to the present day. But quite a high propo