The calxes that the flower comes out of for the female will have a seed in it on a male.
You might have a female that produced male traits and pollinated itself.
If you have any bud at all it is a female.
A male is all pollen sacks.
I happen to have 3 girls that this happened to.
It is possible mine are females producing feminized seed.
My hps burnt out and I had to run them on cfl's for about a week and 3 days.
Shaman tells the light shock that late in flower could have caused this.