Related Clues:
- Some determine eye color
- Mutation factors
- Chromosome contents
- Casual garments, we hear — they're passed on by parents
- They're passed on from parents
- They determine eye color
- Pool fillers?
- Ancestry.com analyzes them
- Some determine hair color
- Pool players?
- Determinants of eye color
- Essential hand-me-downs?
- They determine your blood type
- Preservers of proclivities
- They determine certain traits