That is an interesting question. You are an individual with a specific pair of parent contributors to your very specific DNA structure (i.e. combination of genes) … so if you take into account all of the wars and everything else that might have snuffed out your lineage at some point in time, how likely was it that you would be born at the very point in time at which you popped into this world?
Apparently, the odds were pretty low …
The source (and a good watch) …