- Dec 25, 2003
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It was said earlier that the animals would change over time, so I asked the question how it happened.
Do the animals modify there DNA?
Again, Doug, neither animals nor any other living thing (because we all have DNA) modified their DNA consciously or willfully. Mutations happen naturally. Most are neutral when it comes to fitness. Some cause diseases which might or might not be fatal I have an autoimmune disorder called Ankylosing Spondylitis which causes my bones to fuse. It has a genetic component, but it's not fatal. Finally a small percentage of mutations cause an increase in fitness in a particular environments.
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