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[QUOTE]Originally posted by Omega: [QB] [i]if slight alterations like this were continuously made to the genome over millions of years due to environmental changes, I find it easy to envision the genetic differences being too great to allow the birth of fertile offspring.[/i] Just one problem: we're not talking about alterations in the genome. A different breed of, say, dog doesn't have any really different genes from any other breed. It's simply a different combination of existing traits. The only way new genetic material can be created (in nature, at least) is through random mutation. If a random mutation took place that made, say, me incapable of reproducing with the rest of humankind, then, yes, I would constitute a new species. The only problem is that, for me to reproduce, and pass along this new gene, there'd have to be another person with the EXACT SAME RANDOM MUTATION, and the chances of that are infinitesimal. Even if a new species was created through mutation, it'd die out within one generation. Thus the theory of evolution can be shredded in two paragraphs. It just doesn't work. It's as simple as that. [/QB][/QUOTE]
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