red hair Adult

In the array of possible natural hair colors, dark hues are the most common — more than 90 percent of people worldwide have brown or black hair.

hair Adult red

hair Adult red

hair Adult red

Mikoto Suoh K. My mom has red hair not auburn and my dad has brown hair. There are more than 30 known variances that can cause red hair, so testing for the three most common variants may show a "negative" for having red hair, even in a person that physically has red hair!

MC1R Gene Location

hair Adult red

hair Adult red

hair Adult red

hair Adult red

Still, it gives a general idea of how two brown haired parents might end up with a little redhead! My husband's brother is a redhead. MC1R gene mutations are seen in all ethnicities.

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