The Colossal Woolly Mouse, born in October 2024, was genetically engineered to have characteristics that could eventually be used in creating a next-generation woolly mammoth embryo to be born by a female elephant. The goal of Colossal’s biotech and genetic engineering teams is to recreate a mammoth capable of surviving in the Arctic and helping restore the region’s ecosystem.
“But testing that hypothesis on an elephant isn’t possible because elephants have a 22-month gestation period, so it would take a really long time, and it’s also not particularly ethical,” Beth Shapiro, chief science officer at Colossal, told USA TODAY.
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