Redheads have a specific gene called the melanocortin 1 receptor (MC1R), found on the 16th chromosome. This single gene is responsible for red hair. This wasn't discovered until the late 1990's.

Redheads have a specific gene called the melanocortin 1 receptor (MC1R), found on the 16th chromosome. This single gene is responsible for red hair. This wasn't discovered until the late 1990's.

I once had a guy ask me this. I said "piss me off and your about to find out

I once had a guy ask me this. I said "piss me off and your about to find out

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