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By K. Kris Hirst. Definition: BP when placed after a number (as in 2500 BP) means "years Before the Present". Archaeologists generally use this to refer to dates that...
RCYBP (Radio Carbon Years Before the Present and abbreviated in many different ways) is a shorthand reference to the uncalibrated date recovered from carbon 14 dating.
Q: What does genetic distance of two STR samples mean in terms of years before the present time? A: YFull does not know the answer, and the matter will be investigated.