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Frozen rat chromosome springs back to life inside a mouse embryo
- June 8, 2026 at 5:12 PM
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Scientists in Japan have developed a rat-mouse hybrid embryo from a single frozen rat chromosome transplanted into a mouse egg cell. The achievement is proof that genetic material can sometimes remain functional after cryopreservation and be expressed inside the cells of a completely different species. This is giving renewed hope to the idea that we may one day be able to partially resurrect extinct species and study lost traits.
Originally published at Phys.org