Is it surprising many of us whites are full of mixed genes (even a bit of African genes) too?

I was curious enough to take an ancestry test. Physically I'm just an average white woman with wavy, brown hair and brown eyes.

The results were astonishing though. While a great portion of my genes matches Scandinavian, Great Britain, Ireland/Scotland/Wales, etc. there was still a small percentage of Nigeria, Sengal and Middle Eastern genes too.

Is this surprising to me?

Is it surprising many of us whites are full of mixed genes (even a bit of African genes) too?
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