I understand basically what these 2 people were to us, but I can’t wrap my head around *how* we all descend from them.
Did Adam have a few kids, who went out and had a few kids with other DNA groups, who had a few kids with other DNA groups, etc etc, and something happened so only his lineage survived ?
How did 2 people, 90,000 years apart, pass their DNA to every single person alive ?
In: Biology
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