ELI5: Explain Like I'm 5

Orphan gene

An orphan gene is like a toy that nobody knows where it came from or who it belongs to. Just like how you may have a toy that you can't remember where you got it from or who gave it to you. Scientists use the word "orphan" to describe a gene when they can't find any similar genes in other animals or living things. They're like a special, unique toy that nobody else has! It's kind of like finding a puzzle piece that doesn't fit into any of the other puzzles you have, but it's still important because it helps complete the puzzle you're working on. Scientists study orphan genes to understand how they work, what they do, and how they might have evolved to be so different from other genes. It's like trying to figure out how your special toy works and what makes it so special!
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