If all humans had the same DNA, and one person got the cold, everyone would die at some point. The more diversity there is the more chance of surviving an outbreak or natural disaster or something. Think of the flu. there are HUNDREDS of strains out there. some are resistant to our medicines and others aren't.
Answer:
<h3>The odontoid process</h3>
It exhibits a slight construction or neck, where it joins the main body of the vertebra...
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