The following terms have the following meanings as used in statutes, administrative rules, regulations and public policies adopted by this state or by a political subdivision of this state: 1. "Boy" means a human male who has not yet reached adulthood. [...] 3. "Father" means a male parent of a child or children as defined by law. 4. "Female", when used in reference to a natural person, means an individual who has, had, will have or would have, but for a developmental anomaly or accident, the reproductive system that at some point produces ova. 5. "Girl" means a human female who has not yet reached adulthood. 6. "Male", when used in reference to a natural person, means an individual who has, had, will have or would have, but for a developmental anomaly or accident, the reproductive system that at some point produces sperm for fertilization of female ova. 7. "Man" means an adult human of the male sex. 8. "Mother" means a female parent of a child or children as defined by law. 9. "Sex": (a) means a person's biological sex, either male or female, at birth. (b) includes only two sexes and every individual is either a male or female. An individual with a difference in sex development does not establish a third sex.