system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: why does the sweetness of most fruits like apples, oranges, and peaches vary by a lot, while the sweetness of most bananas are the same (given the same level of ripeness)?
gpt
Commercially grown bananas are genetically identical and originated from a single source not that long ago. They are seedless clones, so are all the same. Apple's have thousands of varieties and have been cultivated for centuries for this variation.


 (Not 100% true but you wanted ELI5)