Children - As introduced, specifies that a parent's or legal guardian's action of raising, guiding, or instructing the parent's or legal guardian's child in a manner consistent with the child's biological sex is not a basis for certain findings or actions by the court, does not constitute the criminal offense of child abuse, child neglect, or child endangerment, and must not be considered as a negative factor by a court in determining a custody arrangement in the best interest of the child. - Amends TCA Title 36, Chapter 6; Title 37, Chapter 1 and Title 39, Chapter 15.