Related Clues:

• Earmark
• It may be dominant or recessive
• Feature
• Part of one's inheritance
• Distinguishing attribute
• Peculiarity
• Albinism, e.g.
• Common characteristic
• Distinguishing feature
• Distinctive quality
• Blue eyes or curly hair
• Heir's acquisition
• Blue eyes, say
• Distinguishing characteristic
• Freckles, for one