Are birthmarks hereditary?

I know everyone got a birthmark. Btu my boyfriend has a really big birthmark on his leg. I was wondering if he have kids, would my kid have one on his leg? Same as on someones face? If someone had a birthmark on their face. Would their kid have on there too ?

Answer #1

It’s very unlikely, unless the birthmark came as a result of a hereditary condition, which is rare.

Sporadic birthmarks generally represent a mutation which occurred as an individual grew from an embryo. This means it’s not hereditary.

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