Scientists use CRISPR to create new species of yeast. They appended all of the yeast chromosomes together to make one giant chromosome. These modified yeast can't mate with other yeast, but can mate with each other just fine.

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Scientists use CRISPR to create new species of yeast. They appended all of the yeast chromosomes together to make one giant chromosome. These modified yeast can't mate with other yeast, but can mate with each other just fine.