Adam and Eve.
Where did you get that?
Just like the 'information' in the fossil record, this data is NOT there.
However, by using the same techniques as "E" folks, one can assume that A&E were the producers of Cain's wife (just like in Appalaichia, sometimes)
Connect the dots......
Biologists tend to worry than a small population of a certian creature (cheetahs, for example) will go extinct, due to too small a 'gene pool'.
I find it FANCINATING that on the EARLIER end of this 'population' (the "E" end), NO ONE ever uses the same argument to state that the CHEETAH would never get bumped into existance from the pre-cheetah, because of 'too few individuals'.