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Published online 7 January 2007 | Nature | doi:10.1038/news070101-8
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Genetic expression speaks as loudly as gene type
Some ethnic differences could be down to the same genes behaving differently.
From dark skin to fiery red hair, the world's ethnic groups all have characteristic physical features. But how does our genome code for these differences? New research shows that it isn't just because different groups carry different genes — some of the variation is down to the same genes being expressed differently.
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