There can be females of any of the above. Don’t know who’s entered now. There is a dearth if women jockeys lately again.
Yes, I think Rosie Napravnik was the most recent female rider.
Linda Rice’s horse was recently transferred to the barn of Steve Asmussen (#2 in all-time wins). Kathy Ritvo had Mucho Macho Man a few years ago to much attention.
The fillies who were discussed as possible runners in the Derby are instead headed to the more traditional Oaks.