CAS AN 102 Lecture Notes - Lecture 24: Magdalenian, Beringia, Aurignacian
1 May 2017
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Traits: no retromolar space, chin, small nose & face, canine fossa, globular braincase, rounded occipital. Middle east: amh"s & nea(cid:374)derthals (cid:272)oe(cid:454)isted for thousa(cid:374)ds of (cid:455)ears, tabun: neanderthals (127kya, qafzeh & skhul: amh (120-90kya, qafzeh: 14 amh individuals (elaborate burials, skhul: 10 amh individuals (deliberate burials, kebara & amud: neanderthals (60-55kya) Transition from h. erectus to h. sapiens: details debated, possible models, candelabra fossils, idea fro(cid:373) (cid:1005)(cid:1013)6(cid:1004)"s, multiregionalism fossils, idea fro(cid:373) (cid:1005)(cid:1013)(cid:1012)(cid:1004)"s, replacement (cid:373)tdna, idea fro(cid:373) (cid:1005)(cid:1013)(cid:1012)(cid:1004)"s/(cid:1005)(cid:1013)(cid:1013)(cid:1004)"s, a little introgression new idea based on ancient dna. Dna types: nuclear (nudna, autosomal chromosomes, sex chromosomes, mitochondrial (mtdna, provides energy needed for cellular function, circular rather than linear, 5-10 times faster mutation rate than nudna, no recombination or segregation, mostly maternally inherited. Mousterian tools: flake tools detached from prepared stone cores, predetermined shape: flakes removed & reshaped into tools. La ferrassie (70-50kya: 2 adults found head-to-head, 4 children (one in pit covered w/ stone slab, no clear evidence of grave goods.
