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  1. Gene - Wikipedia

  2. Gene | Definition, Structure, Expression, & Facts | Britannica

  3. What is a gene?: MedlinePlus Genetics

  4. Home - Gene - NCBI - National Center for Biotechnology Information

  5. Gene - Definition and Examples | Biology Dictionary

  6. Genetics - Wikipedia

  7. Gene

  8. Explainer: What are genes? - Science News Explores

  9. Genes, proteins, and traits (article) | Khan Academy

  10. Genes - National Geographic Society