Does it mean that the genes are destroyed by the powerful radiations? Even under controlled conditions, useful mutant is still evading the observer. In nature, what causes mutations as well as natural selection?
radiation wouldn't i tihnk destroy genes it would mutate them quickly and more likely harmfully, but radiation testing doesn't show how it would work naturally, i mean we are bombarding animals with radation, its to show how outside forces cause mutation.
as for the other part go read any site on evolution, they explain what causes mutation and what NS is and does..
sorry, but i'd think you'd know this stuff by now
(if this is really OT admins, i'll try to stop with it then)