Withdraw cash avanade jobstreet But it was enough to get a readingâÂÂto reveal that what seemed to be the wrong bones were in the wrong place. So how did they get there? The researchers lay out several possible explanations, none of them particularly tidy or airtight. The fossil could come from an ancestor of the DenisovansâÂÂbut that would imply that the Denisovans and Neanderthals lived in the same areas, at least for a while, while remaining genetically distinct. It could be from a group, separate from the other two, that gave the Denisovans their mitochondrial DNAâÂÂbut the bones look a little too Neanderthal-like to be totally distinct. Narrowing down these and other possibilities will require a sequence of nuclear DNA, a task that will require further refinements of sample-production technique and a much larger amount of fossil bone. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])