(d) “Female” means a person belonging, at conception, to the sex that produces the large reproductive cell.

(e) “Male” means a person belonging, at conception, to the sex that produces the small reproductive cell.

https://www.whitehouse.gov/presidential-actions/2025/01/defending-women-from-gender-ideology-extremism-and-restoring-biological-truth-to-the-federal-government/

The executive order doesn’t mention XX or XY. We’re talking about how Trump’s ignorance has defined everyone as female. Or arguably neither male nor female. But the general point is that a lack of understanding has undermined his intentions.