Reading section 2

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Across
  1. 2. First stop out of Africa along southern route.
  2. 3. Geneticist who mapped human mtDNA tree.
  3. 5. Type of DNA passed from mothers.
  4. 6. Body of water early humans crossed into Yemen.
  5. 8. Weather pattern that helped green the Fertile Crescent.
  6. 9. Random changes in DNA.
  7. 10. Desert that blocked northern migration route.
  8. 12. Scientist promoting southern migration route.
  9. 14. Evidence of early humans in Malaysia (Niah Cave).
Down
  1. 1. Humans who lived in Europe before modern humans.
  2. 4. change event ~80,000 years ago.
  3. 7. Early humans reached here before Europe.
  4. 9. Cell structures with separate DNA.
  5. 11. Continent where humans originated.
  6. 13. Common ancestor of all humans.