Possible Clues:

• Almost every man in the world has one
• Y for men only?
• Thread-like structure in living cells carrying genetic information
• Handed down item old medics wrapped in shiny stuff
• Gene set Henry right, filling Perry in a little
• Check fluid room on top of any nuclear structure
• Doctor thus placed in plate something conveying biological information
• Small, thread-like structure
• Church room tidied so compiler, if 22,11 must be female with 2 of those
• Structure carrying genes