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Story summary
- DNA sequencing reveals significant genetic diversity within individuals due to somatic mutations that accumulate over life.
- A centenarian's blood cell may contain more than 4,000 somatic mutations.
- Roxanne Khamsi, author of "Beyond Inheritance," notes that somatic mutations occur in everyone and gradually change DNA, distinguishing them from inherited mutations.
- Inherited mutations can lead to conditions such as hemophilia.
