• Question: What genetics cause people to become ginger?

    Asked by anon-193403 to Emma on 12 Nov 2018.
    • Photo: Emma Crawford

      Emma Crawford answered on 12 Nov 2018:

      The gene for red hair is recessive, so a person needs two copies of that gene for it to show up or be expressed. That means even if both parents carry the gene, just one in four of their children are likely to turn out to be a redhead.

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