In case of twins, will it require two sperm and two egg cell and if so then two sperm will bind to the receptor so how can such a situation take place?!

In case of twins, will it require two sperm and two egg cell and if so

1.	In case of twins, will it require two sperm and two egg cell and if so then two sperm will bind to the receptor so how can such a situation take place?!
Answer» In case of twins, will it require two sperm and two egg cell and if so then two sperm will bind to the receptor so how can such a situation take place?!