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A hidden step before meiosis could reshape efforts to treat infertility
- February 20, 2026 at 10:00 AM
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In human cells, DNA carries chemical or "epigenetic" marks that decide how genes will be used in different tissues. Yet in a group of specialized cells, known as "germ cells," which will later form sperm and eggs, these inherited chemical instructions must be erased or reshuffled so development can begin again with a fresh blueprint in future generations.
Originally published at Phys.org