I'm trying 2 explain something..........
i attached the zip file which contains the screen captures(images)
1.take a poly sphere
2.then make a quarter by deleting d unnecessary faces
3.select d edges what i selected in d image
4.goto editmesh->bridge(divisions=0)
5.now select d edge loops n where we have to fill d holes(observe 5(1),5(2))
6.select d 2 edge loops n goto mesh->fill hole
7.then u got like this 7th image
8.i think d edge is not necessary,delete if u too feel like me(follow d image)
if u require continue the loops with split polygon tool,i think its not necessary
anyway 10x for watching