Chinese scientists create monkeys with human brain genes.
Chinese scientists have implanted human brain genes into monkeys, in a study intended to provide insights into the unique evolution of human intelligence.
They found the monkeys' brains -- like those of humans -- took longer to develop, and the animals performed better in tests of short-term memory as well as reaction time compared to wild monkeys.The test, the latest in a series of biomedical experiments in China to have fuelled medical ethics debates, has already drawn ethical concerns, and comparisons with dystopian sci-fi"Planet of the Apes".
The monkeys underwent memory tests requiring them to remember colours and shapes on a screen, and were subjected to MRI scans.The authors said the rhesus monkey, though genetically closer to humans than rodents, is still distant enough to alleviate ethical concerns."You just go to the"Planet of the Apes" immediately in the popular imagination," said Jacqueline Glover, a University of Colorado bioethicist.
Larry Baum, a researcher at Hong Kong University's Centre for Genomic Sciences, downplayed sci-fi comparisons.
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