Monozygotic twins are born because

Twins are bron because:

Monozygotic twins are formed when:

Monozygotic twins are formed when:

Monozygotic twins are exactly similar in their appearance and their gender is also same.

Identical twins are

Identical twins are born when:

Identical twins are born when:

What terms do we use for monozygotic and dizygotic twins ? To which sex do these twins belong ?how are monozygotic twins different from conjoined twins ?