Hum Hist handout 3

Hum Hist handout 3 - Human History Week 3, lecture 1 Homo...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Human History Week 3, lecture 1 Homo sapiens 1/19/10 African Adam and Eve 150,000 years ago, great human diversity: Neanderthals in western Eurasia, Homo erectus in eastern Eurasia, plenty of other species too (including Flores Man the so- called “hobbits”) In eastern/southern Africa, new species emerging: Homo sapiens Anatomically modern skeletons before 100,000 years ago DNA research: mitochondrial DNA is transmitted asexually through female line 1987 paper shows that all existing mtDNA lines go back to African ancestress about 150,000 years ago 3 results: (1) deepest genetic lineages are all African; (2) all non-African lineages nestle into African ones; (3) standard rates of mtDNA mutation suggest last shared ancestress of all humans alive today lived about150,000 years ago Conclusion: all existing mtDNA lines go back to Africa; modern humans evolved about 150,000 years ago In 2001, DNA on Y chromosome (transmitted asexually through male line) points to some similar results Anatomical modernity vs. behavioral modernity A problem in 1990s archaeology: anatomically modern humans (with skeletons and
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/03/2010 for the course IHUM 69 taught by Professor Morris during the Spring '10 term at Stanford.

Page1 / 2

Hum Hist handout 3 - Human History Week 3, lecture 1 Homo...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online