Before revision: Genetic research shows that humans have more female ancestors than male, meaning that many more females than males have reproduced throughout human history,, at times (around 5000 BC) by a ratio of estimated 1/17, also know as the male population bottleneck .
After revision: Genetic research shows that humans have more female ancestors than male, meaning that many more females than males have reproduced throughout human history,, at times (around 5000 BC) by a ratio of estimated 1/17, also know as the Neolithic Y-chromosome bottleneck, not due to a drop in the number of living males but a rapid drop in the mean reproductive success of males .