The journey of man a genetic odyssey is a 2002 book by spencer wells an american geneticist and anthropologist in which he uses techniques and theories of genetics and evolutionary biology to trace the geographical dispersal of early human migrations out of africa the book was made into a tv documentary in 2003. The journey of man a genetic odyssey spencer wells isbn 9780812971460 kostenloser versand fur alle bucher mit versand und verkauf duch amazon. Any archaeological trace of this passage would have been subsequently submerged but for a genetic marker found along the coast of southern india 50000 years ago humans started moving into the middle east from there they took the steppe highway into central asia and became identified by new genetic markers as eurasians they split into two groups one moving to the north of the hindu kush the other to the south into the indian subcontinent those that went north moved into central