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Just because those genes exist doesn't mean they're evenly distributed. For example, look at the spectrum of lactose tolerance: some people do just fine, some p
by lukifer 14y ago
Just because those genes exist doesn't mean they're evenly distributed. For example, look at the spectrum of lactose tolerance: some people do just fine, some people get a little gassy, some people get severely ill.
- suchire 14y agoYes but that mostly is distributed according to dairy consumption from around 500 years ago. Grain consumption is widespread across the globe in almost every culture.