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  "path": "/article/2517693-selfish-y-chromosome-may-explain-why-some-families-mostly-have-sons/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home",
  "publishedAt": "2026-03-03T17:13:31.000Z",
  "site": "https://www.newscientist.com",
  "textContent": "A family in Utah with a disproportionate number of boys has been traced back over hundreds of years, revealing that its lack of female members is probably due to a selfish Y chromosome",
  "title": "Selfish Y chromosome may explain why some families mostly have sons"
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