DNA Tests

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firebunny
@firebunny
14 Years10,000+ Posts

Comments: 99 · Posts: 16295 · Topics: 1686
So my maternal cousin (note maternal is very important here since it's my maternal great grandmother who is said to have Spanish descent) just had DNA tests. He got 1% European.

If you see him in person, he doesn't seem to have even the slightest Caucasian looks but his hair is thick black and his eyebrows also.

I have a few questions:

1. Do DNA tests accurately reflect how a person looks like? For example, if he is part European, would that easily translate to a substantial percentage of being a European?

2. Now, what if the person looks a little bit European but the results yielded 0% European or even any kind of Caucasian (this includes South Asian and Northern African), is that possible?

3. Will full-blood siblings yield identical results considering they have the same parents? Or would they yield different results depending on the genes that were passed on to them?