Resumen de Traces of a distant past. (cover story)
The article discusses advances in population genetics that are allowing scientists to trace the path of human migrations out of Africa by testing the DNA of existing indigenous populations. Recent genome studies examining genetic markers in the Y chromosomes of men from around the world have produced maps of the routes of ancient human movements. INSETS: GENETIC PROSPECTING;JUST LOOK IN THE PHONE BOOK;LOOKING FAR AND WIDE;Can You Spare Some DNA
