Related Clues:
- Apparent survivor?
- Something from a parent
- It may go unexpressed
- Heredity holder
- Chromosome component
- King-to-be
- ''Star Trek'' creator Roddenberry
- Sometimes-spliced item
- It may be given from father to son
- Estate recipient
- Thing passed on by ancestors
- Immediate successor
- Hereditary unit
- Hackman or Autry
- Protein molecule