Wednesday, 11 May 2016

Why We Have Blood Types And Why They Matter

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What does it mean to have a certain blood type? If you should end up in a hospital in need of blood, the doctors there would need to make sure they transfused you with a suitable type.

But there are some nagging questions. Why do 40% of Caucasians have type A blood, while only 27% of Asians do? Where do different blood types come from, and what do they do?

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