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Facebook Threads X / Twitter WhatsApp LinkedIn Reddit Email Print Male and female cloned pups derived from the blood cells of an adult male donor mouse Shogo Matoba, Takashi Ishiuchi et al. (2026) Male mouse embryos have been turned into females by a procedure that involves eliminating the Y chromosome. The technique relies on CRISPR gene editing and has been used to create healthy and fertile female and male mice, both of which are clones of the father.

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