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Feb15-08, 05:09 PM
P: 293
Well, that's somewhat of a mystery. What came 1st the chicken or the egg? :)

It is possible, perhaps, that microspheres and DNA(or RNA) developed independently and then eventually joined together in some sort of symbiotic relationship. Or perhaps DNA managed to form a cellular membrane on it's own? I don't think anyone has a definitive answer to that question....just various postulations.

In other words: who knows? hehe

A number of different theories are listed here: