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  "path": "/health/genetics/changing-just-one-dna-letter-in-female-mice-triggers-growth-of-male-genitalia",
  "publishedAt": "2026-04-10T13:00:00.000Z",
  "site": "https://www.livescience.com",
  "tags": [
    "Genetics",
    "Health"
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  "textContent": "Scientists discovered that making a very small change to female mice's DNA caused them to develop male reproductive organs.",
  "title": "Changing 'just one DNA letter' in female mice triggers growth of male genitalia"
}