| prehistoric introduction of domestic pigs onto the okinawa islands: ancient mitochondrial dna evidence. | ancient dnas of sus scrofa specimens excavated from archaeological sites on the okinawa islands were examined to clarify the genetic relationships among prehistoric sus scrofa, modern wild boars and domestic pigs inhabiting the ryukyu archipelago, the japanese islands, and the asian continent. we extracted remain dna from 161 bone specimens excavated from 12 archaeological sites on the okinawa islands and successfully amplified mitochondrial dna control region fragments from 33 of 161 specimens. ... | 2002 | 12107598 |