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GENETIC CLINIC AND DNA TESTING LAB-2

Rare Disease Forum by Genetidoc Genetic Clinic › Forums › Frequently Asked Questions › Can siblings of a person with a genetic condition be affected even if they show

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    • August 12, 2026 at 7:20 am #519
      Anonymous
      Moderator

      Can siblings of a person with a genetic condition be affected even if they show no symptoms?

    • August 12, 2026 at 7:24 am #522
      Genetic Counselor
      Keymaster

      Yes, especially with conditions that vary in severity or appear later in life. A sibling could carry the same gene change with milder or delayed symptoms, which is why testing close relatives is often recommended once a gene change is identified in the family.

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