No, it’s not possible to tell by chromosomes, enamel protein or pelvic bones if someone is male or female:
Misleading claim that pelvic bone ‘reveals binary sex’ shared in anti-LGBTQ posts
https://factcheck.afp.com/doc.afp.com.336G8HA
The “expert” fact checkers said so.
“ We can offer a fairly educated guess…”
From bones.
Means yes, they can tell, obviously not always, though.
Basically fact check confirms it.
They play weird word games.