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Related Clues:
- Pool contents?
- They run in the blood
- Subjects of modern mapping
- See 48-Across
- Twins share them
- Father-to-son bequests
- Inheritance controllers
- Heredity, informally
- They make some people blond
- Heredity, so to speak
- They make you you
- Tunney and Tierney
- They're in the pool
- Chromosome components
- Carriers of heredity