> Once upon a time, 4,000 to 8,000 years after humanity invented agriculture, something very strange happened to human reproduction. Across the globe, for every 17 women who were reproducing, passing on genes that are still around today—only one man did the same.

So it seems like this was a common pattern.

https://psmag.com/environment/17-to-1-reproductive-success

https://genome.cshlp.org/content/early/2015/03/13/gr.186684....