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Smell is more complicated in a straight-forward way. Each distinct chemical sensor needs its own genetic coding, while eyes get by with a handful of distinct se
by michael1999 5y ago
Smell is more complicated in a straight-forward way. Each distinct chemical sensor needs its own genetic coding, while eyes get by with a handful of distinct sensors, repeated spatially. Spatial patterns don’t need much coding.
- lovecg 5y agoSense of smell is fascinating. I remember reading that there are dozens (hundreds?) of these distinct receptors and each has a different response curve for a given substance. So you end up with a huge multi dimensional space, which explains why there are so many unique smells.