[Coyoteman]

All the ET races I've read much about insist that ET's seeded life on earth and then modified it genetically at different periods throughout past eons.

You are speaking of science fiction, I presume?

[Quix]

When you've done a couple decades (less than half mine) of serious research into the topic . . . please come back and ask your questions. I might feel like bothering with them, then.