Human Evolution Flashcards
1
Q
Where did our ancestors originate from?
A
- 70000 yrs ago, we left Africa
- heterozygosity decreases the closer you get to East Africa
2
Q
Neanderthals: who were they and why did they disappear?
A
- larger brow ridges, they’re our cousins, not ancestors
- family groups w/ moving females, jewelry, cave art, buried their dead
- we exchanged genes, share about 50%
- may have disappeared due to war in Europe
3
Q
Denisovans
A
- shared genes exist in modern Asia e.g. Tibetan EPASI allele
4
Q
introgression
A
- sharing of DNA due to hybridization
