Alexa’s Photos via Pixabay/Tag Hartman-Simkins
Galaxy Brain

Chinese Scientists Gene-Hacked Super Smart Human-Monkey Hybrids

byDan Robitzski
4. 10. 19
Alexa’s Photos via Pixabay/Tag Hartman-Simkins

Macaques monkeys with human brain genes are superintelligent compared to their peers.

Big Brain

For the first time, scientists have used gene-editing techniques to make monkey brains more humanlike.

The monkeys, rhesus macaques, got smarter — they had superior memories to unaltered monkeys, according to recently-published research that’s kicked off a fiery debate among ethicists about how far scientists should be able to take genetic experimentation.

Cognitive Gap

The team of Chinese scientists edited the human version of a gene called MCPH1 into the macaques. The new gene made the monkeys’ brains develop along a more human-like timeline. The gene-hacked monkeys had better reaction times and enhanced short-term memories compared to their unaltered peers, according to China Daily.

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But not everyone is on board.

“The use of transgenic monkeys to study human genes linked to brain evolution is a very risky road to take,” University of Colorado geneticist James Sikela told the MIT Technology Review. “It is a classic slippery slope issue and one that we can expect to recur as this type of research is pursued.”

Evolutionary Roadmap

Pinpointing the gene’s role in intelligence could help scientists understand how humans evolved to be so smart, MIT Tech reports.

While altering one gene to enhance memory in some macaques won’t throw Darwinism off-kilter — there’s no risk of a “Planet of the Apes”-style uprising, yet — it could teach us how humanity became so intelligent and gives us hints as to why.

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READ MORE: Chinese scientists have put human brain genes in monkeys—and yes, they may be smarter [MIT Technology Review]

More on gene editing: Scientist Who Gene-Hacked Babies “Likely” Boosted Their Brainpower


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