Some really curious things turn out to be genetically determined/. One is the ability to roll your tongue. My wife and my sons can, but I cannot. Another is the relative length of the second and the big toe: my second toe is longer. Then there's the ability to taste the chemical compound PTC. It depends on inheriting a particular protein called TAS2R38.
Here’s an explanation...
http://whozoo.org/mac/Music/taster.htm
But the neat deal is that proteins make music. Here, from the site above, is the way this protein sounds.
http://whozoo.org/mac/Music/TasterV2.mp3
Here’s more.
http://whozoo.org/mac/Music/foxp2.htm
http://whozoo.org/mac/Music/FoxVox.mp3
And it all sounds much like Philip Glass.