Most adult stem cells come from the bone marrow.
Explanation:
Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaebacteria kingdom), but this term has fallen out of use. Archaeal cells have unique properties separating them from the other two domains, Bacteria and Eukaryota. Archaea are further divided into multiple recognized phyla
The anwer is DNA to your question
I think the answer would be B. Genealogy.
No idea but hopefully this cheers you up!
