(11-27-06) - Homo sapiens 130 kybp-present o based on...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 11-27-06 Homo sapiens 130 kybp-present o based on fossil evidence 1300cc average Klasies River Cave, South Africa- oldest fossil found Multiregional Model African origin Gene Flow Parallel Evolution between species Hybrid Model interbreeding between species African Origin Model African Adam o 180 kybp o Y chromosome o Lemba African Eve o 125 kybp o Mitochondrial DNA - Mitochondrial DNA only inherited from the mother mutates faster than nuclear DNA o lacks repair enzymes studied in several different human populations greatest diversity found in African population o Therefore the oldest population molecular clock Mitochondrial Eve mother of all humans she may have lived about 200,000 years ago in Africa Native American Origin 4 rare mtDNA haplotypes are found in Native Americans the same haplotypes are found in Mongolia and China Secular Trends trends in growth or morphological characteristics attributable to changing environmental factors o nutrition o disease not genetic adaptation - ...
View Full Document

This note was uploaded on 04/17/2008 for the course ANTH 101 taught by Professor Staff during the Fall '03 term at San Diego State.

Ask a homework question - tutors are online