I would be more inclined to believe azala a female as the smarter dinosaurs were female((evidence of larger brains)) and believed to have been more vicious((visious?)) and as far as kino goes.. how about the hidden village? possible that the old man there used to be chief? and ayla took over when he went into hiding..? and so took over his right hand man
Just because female dinosaurs were more intelligent and vicious in our world doesn't mean that the Reptites were the same way in the Chrono world (I don't believe the game specifies which gender was more intelligent in the Chrono world).
One point that could be made is that in Chrono Cross, the Dragonians are said to be Azala's descendants, and all through Chrono Trigger (if I remember correctly) linage was specified to be matrilineal (Marle is descended from Leene and Aliza, who in turn are descended from Ayla in the distant past, ect.).
And even if linage is matrilineal, that doesn't mean that the societies are matriarchal. For example, Ayla is probably chief because she's the strongest warrior, not necessarily because the human tribes are led by women. Remember, when Ayla leaves to go with Crono, later on one of the villagers says "Ayla quit chief--Kino chief now". And even
if Ioka was primarily led by women, that doesn't mean the Reptites were the same way.
Since there's no way to conclusively deduce Azala's gender, until the creators say one way or the other, it'll be impossible to tell.