Andrew Hunter Murray

Can cloning bring endangered species back from the brink?

[iStock] 
issue 10 June 2023

This spring, San Diego Zoo’s Wildlife Alliance proudly announced the arrival of Trey, a newborn colt. Trey is a Przewalski’s horse – the last wild horse species on the planet, and one of the least pronounceable (say ‘zhuh-varl-skis’ and you’ll be close). It was another small conservation victory. But Trey is particularly unusual, because this little pony is a clone.

Isn’t it too late for our battered ecosystems to start mucking around with cloning?

Trey is genetically identical to Kuporovic, a stallion whose cells were cryonically preserved in 1980.

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