
"A gene that is active in humans today died out during our primate evolution and came back to life again. This is the first time such a 'resurrection' event has been identified, researchers say."
The article continues ..."Humans have many genes that are at present non-functional, often considered 'junk DNA' (see our feature Recipes for life: How genes evolve). Up to 60% of the genes associated with the sense of smell lie idle in humans, for instance. It is conceivable, says Bekpen, that other currently non-functional genes stored in our genome might become active again. 'Don't count them out until they're completely deleted,' he says."
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