When you eat something, some of those ingredients come into the blood.
Trust me, every time you eat, every time you bread, every time when some bacteria die in your body...
Some DNA enters your blood.
And a lot of your/ my DNA doesn't originate from humans. Thus... Foreign DNA is entering our DNA every single day in the last 1.000.000.000 years.
I'll tell you the secret...
When you eat something, some of those ingredients come into the blood.
Trust me, every time you eat, every time you bread, every time when some bacteria die in your body...
Some DNA enters your blood.
And a lot of your/ my DNA doesn't originate from humans. Thus... Foreign DNA is entering our DNA every single day in the last 1.000.000.000 years.