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Genetic Fertility, CO2 Suck Up, 2 Dad Mice

Curiosity Weekly

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The Evolution of Multi-Parent Reproduction

For the first time ever, scientists have created happy, healthy mice that have two dads and a mom. This is part of a year's long dive into the field of multi-parent reproduction. Back in 2020, a developmental biologist named Katsuhiko Hayashi theorized which genes would need to be changed in order for cells placed in a petri dish to turn into a fertile egg. A year later, that same team managed to create a sort of makeshift set of mouse ovaries to foster the eggs and create healthy babies.

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