Genetic Variation (Introduction)

by Balance_Maintained @, U.S.A., Tuesday, September 28, 2010, 07:07 (5170 days ago) @ xeno6696

All of those are good possibilities. Gravity was another possibility that came to mind. There are a couple of theories out there, (expanding earth theory being one) that would require that the earth gains mass from meteors as it ages. A gain in mass would by necessity cause an increase in gravity, which would in turn cause shorter people. That is why I was specifically asking about a correlation between height and bone density. Same height with less density, or greater height with the same density, could be indicators of less gravity.


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