| From Classbrain.com Biology All living humans originated from populations of ancestors who migrated out of Africa less than 100,000 years ago. Learn how scientists have used genetic markers to trace the migration routes and origins of modern human populations. Click through frame by frame or use the controls in the lower right to play the program automatically. Visit HHMI for more biointeractive programs. Also featured on the recently released HHMI DVD, Scanning Life's Matrix: Genes, Proteins, and Small Molecules., available free from HHMI. © Copyright 2004 by Classbrain.com |