[illustration] 4. Is the person a male or female? (only one mark)
[] 1 Male [] 3 Female
This question is very simple, you should only mark if the person is a male (box 1) or female (box 3).
If the person is present, do not ask, just mark the box. If the person is not present, you should ask if the person is male or female. The question refers to the biological sex of the person.