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> As a precaution, the fish are all female and contain three copies of each chromosome rather than two, rendering them sterile.

They won't replace atlantic salmon

"But the sterilization process is not perfect; up to 5% of treated salmon could still reproduce."

But what if they mate and spread their mutant genes? I don't think you understand how this works.


Nature will find a way.

Do you know a way to have 100% triploid female in a set of 1 million females?

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