pig

Two piglets recently born in China look like average swine on the outside, but on the inside, they are (a very small) part monkey. A team of researchers generated the pig-primate creatures by injecting monkey stem cells into fertilized pig embryos and then implanting them into surrogate sows, according to a piece by New Scientist. Two of the resulting piglets developed into interspecies animals known as chimeras, meaning that they contained DNA from two distinct individuals — in this case, a pig and a monkey. “This is the first report of full-term pig-monkey chimeras,” co-author Tang Hai, a researcher at … Read more