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Related Clues:
- Code carriers
- Microscopic particles
- They get smashed
- Self-replicating things
- They split when they're smashed
- Particles invisible to the naked eye
- Feature carriers
- Heredity components
- Molecule parts
- Itty-bitty bits
- Inheritance, of a sort
- Links in certain chains
- Pool contents
- They form bonds
- Gift from parents