This is a strand of prehistoric DNA. All we know for sure is it comes from a plant. Perhaps there's a way to recombine it and bring them back! That actually sounds pretty safe, since it's a plant.
Plant DNA Strand Y-985 price in Growtopia: sells for about 4 DL, buyers pay about 70 WL (median of 64 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: SKUK, X07H, QETRON