Most likely any attempt at specific, verifiable definitions would be insufficient for their fascistic purpose. A biologist, Forrest Valkai, covers well the complexity involved when defining the social construct of sexual differentiation in a measurable way in the video Sex and Sensibility. Hence, the laws reliance on “reproductive role” while simply assuming some unstated definition of “biological sex”.
Harsh penalties approved for Florida state college employees who use restrooms that don't correspond with gender assigned at birth | CNN ( www.cnn.com )