Here’s some science for all ya:
At-home DNA testing is supposed to give people insight into their human ancestry, but it’s had the unexpected effect of showing how much of our DNA isn’t human. Now we know that Europeans and Asians have approximately 2 percent Neanderthal DNA, and that proportion may well increase, now that scientists have sequenced the genomes of five new Neanderthal specimens that lived between 39,000 and 47,000 years ago.
https://www.inverse.com/article/42674-genomes-five-neanderthals-max-planck