Related Clues:
- Kinsey's field
- Determination in a prenatal exam
- Person's son protecting daughter
- One cause for an R rating
- __ roles
- What an "F" or "M" may indicate
- Structure of a human
- What an ''F'' or ''M'' may indicate
- Word with building or shop
- "Student" group?
- Agatha Christie's 'The ___ in the Library'
- Masters and Johnson research subject
- "Let's Talk About ___" (Salt-N-Pepa)
- M or F
- Soul mate, in song (and a hint to this puzzle's theme)