Quote:
Originally Posted by Vendzilla
Depends on your Hox genes, people age differently
That's why people over 100 years old all have 3 Hox Genes
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Huh??
I know just a tiny bit about this stuff. Hox genes affect the shape of body development in the embryo - mostly distinguishing posterior to anterior development. Everyone "has" them, and in fact you can switch out the Hox genes of nearly any animal (I believe they did a chicken & housefly in one experiment) and they'll work fine. The ordering of them in the DNA chain matters somewhat. If you fuck with it too much experimentally with embryos it will mess up the shape of the ribcage and/or vertebrae for example.
It's speculated they may have some effect on longevity in animals but AFAIK there's never been any sort of a study. And certainly nothing saying something like "people over 100 years old all have 3 Hox Genes" because that wouldn't make sense.
But if you have anything saying otherwise, feel free to link.