Comment: "They have been able to

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"They have been able to

"They have been able to switch on certain traits so that chickens start to grow teeth, long tails, and scales. In other words, they revert back to their dinosaur physical traits."

Can you provide a source for that? From the reading I've done, I have determined this will be attempted. But up til now, they haven't even produced a very sick chicken, let alone a dinosaur.