I dictate how life forms develop and adapt, yet I remain microscopic. What am I?

Category: Science · Difficulty: hard

Hint: Think about the fundamental building blocks of biological identity.

Answer

An organism's DNA

Explanation

DNA carries the genetic instructions for the development and functioning of all known living organisms.

This is a hard science riddle — a tricky one that takes a little thought. The answer is An organism's DNA.

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