As an extension of that fact, if there was a single true Eve the population would be at extremely high risk for genetic defects. It's called a population bottl

As an extension of that fact, if there was a single true Eve the population would be at extremely high risk for genetic defects. It's called a population bottleneck, where a near extinction event forces almost all individuals to share a large proportion of their genetic material, and the most recognizable example is in cheetahs. http://cheetah.org/about-the-cheetah/genetic-diversity/ http://cheetah.org/about-the-cheetah/genetic-diversity/