Related Clues:

• Strands in the body
• Rendering, say
• It's in chains
• High-tech ''fingerprint''
• Code of life
• It's shared by identical twins
• CSI concern
• 6-Across evidence
• It can prove kinship
• Father identifier
• Genentech's ticker symbol
• See 106-Across
• Watson's code letters
• High-tech "fingerprint"
• Stuff of life