Oh, if you run across peeps out there in the wide world of the web who are all "boys are boys and girls are girls" here is my go-to article to share, mentions XY "females" who have ovaries and the fact that we start with the same blank slate bits and pieces, the mechanisms that trigger outie v innie don't always affect the brain.
If you have even better articles to share, I would like to know and add them to my collection.
https://blogs.scientificamerican.com/voices/stop-using-phony-science-to-justify-transphobia/