Bitter taste receptors

Ever wonder why some people don't like Brussel sprouts or strong, dark coffee?  It turns out that there are common genetic variants that influence your perception of bitter compounds.
Taste Receptors
In genes where there is a lot of common variants, it is often the case that the variety of phenotypes, or traits, from the variants are an advantage to the population as a whole.

So why is it an advantage to have differences in our taste receptors?  Having part of the population able to taste a...


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