For the last forty years, population geneticists have repeatedly said that our population was never smaller than several thousand.
Could humanity have had its origin in a first pair, or did it have to come from a population of at least several thousand?
A bottleneck of two, or a first pair at our origin older than 500,000 years, is possible.
“The case that human language develops step by step through natural selection is weakened by the fact that no single language gene has ever been discovered.”
Dennis Venema sought to persuade his fellow Christians that genetic science had disproven the traditional idea of a “bottleneck” of two human ancestors.