The Denisovans (20) Flashcards
1
Q
Define culture
A
anything that is learned i.e. hunting techniques
2
Q
Define cultural evolution
A
cultural development that occurs as a means of overcoming environment and other challenges
3
Q
What did mtDNA reveal of fossil
A
- that mitochondrial DNA recovered from finger not Neanderthal nor modern human
- Distinct group of hominins= Denisovans
4
Q
how do bases differ b/w neanderthals, humans and denisovans
A
- mtDNA of Neanderthals different from modern humans by average of 202 bases
o Denisovans fossil differed from modern humans by 385 bases= enabled scientists to calculate most recent ancestor of Neanderthals, Denisovans and modern humans lived about 1 million years ago
5
Q
Link with Melanesians and aboriginal people
A
- Denisovan genes= 5% of genome of living Melanesians
o // must have bred with ancestors of modern Melanesians
o unlikely to have occurred at Denisova // may have lived over considerable area of eastern Asia
Aboriginal Australian people= also shown to have Denisovan ancestry
6
Q
What species are they most like
A
neanderthal