sho nuff rambler. a female is two x chromosomes. a male is an x and a y. male parents can donate an x or a y chromosome to the seed. females can only donate x's to the seed, thus if a female flips around and drops some bananas, all the seeds will be two x chromosomes, all female. the male plants can turn hermie too, but most people don't wait long enough with males to find out. not sure if males can turn hermie strong enough to create seed, but if they could it would be regular, not feminized.