Darwin’s Ark broadened its focus to cats in 2024, and while it’s too soon for any results, even the research methods are proving interesting. The usual way to extract DNA from a living animal is by swabbing the inside of a cheek. Dogs don’t mind the process, but cats are not as amenable to having things stuck in their mouths. Nor do cats appreciate having hairs plucked out with their follicles, another potential source of DNA for sequencing. So Chad Nusbaum, PhD ’91, another Human Genome…

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