ELi5: what causes genes to mutate?
In: Biology
[https://youtu.be/X_tYrnv_o6A?t=75](https://youtu.be/X_tYrnv_o6A?t=75)
This is a simulation of how DNA is copied. This is one protein machine copying 1 strand. There are countless machines like this, copying DNA all the time. When you are copying billions of things, billions of times, over billions of cells, you are going to get some errors. Nothing is perfect. Even those protein machines break down.
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