The battle of the sexes in the egg: How early nuclear rivalry helps embryos develop properly
Apr 29, 2026
The sperm and the egg cell's nuclei compete for size directly after fertilization and this is necessary for proper embryonic development. A mouse study with Kobe University participation finally gives meaning to a phenomenon biologists have known for decades.
https://phys.org/news/2026-04-sexes-egg-early-nuclear-rivalry.html
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