Yes. There is only one species of humans.
Homo sapiens sapiens (Yes the sapiens part is repeated in our genotype.)
Yes you do indeed an HLA match.
Rachel and April are correct as usual.
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People who are bigots or white supremacists won't believe this,
but they are generally ignorant of science.
Our present single genotypical human developed in east Africa.
Then migrated over he earth from there.