Human Evolution Flashcards by Iris Liu

Q

Where did our ancestors originate from?

A

70000 yrs ago, we left Africa
heterozygosity decreases the closer you get to East Africa

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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

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Q

Denisovans

A

shared genes exist in modern Asia e.g. Tibetan EPASI allele

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Q

introgression

A

sharing of DNA due to hybridization

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