All day Astronomy(@forallcurious):JUST IN🚨: Fertilization isn't a first-come, first-served deal. The egg attracts only specific sperm through chemical signals. A research team from the University of Manchester in the UK analyzed follicular fluid from 16 couples and discovered the fact that egg draws in up to 40% more of the preferred sperm. The selection criterion is compatibility with immune genes.

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参加 February 2014

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All day Astronomy@forallcurious

2026.06.26 00:13

JUST IN🚨: Fertilization isn't a first-come, first-served deal. The egg attracts only specific sperm through chemical signals. A research team from the University of Manchester in the UK analyzed follicular fluid from 16 couples and discovered the fact that egg draws in up to 40% more of the preferred sperm. The selection criterion is compatibility with immune genes.