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- Little bitty bits
- Ancestry.com analyzes them
- Some determine hair color
- Pool players?
- Every thing, essentially
- O and O, in an oxygen molecule
- Determinants of eye color
- Essential hand-me-downs?
- Particles with protons
- Molecules are made of them
- Molecular building blocks
- Some chemistry class models
- Foundational makeup
- Particles discussed in Chemistry 101
- They make up everything about you