There are different types of twins, identical and fraternal being the most common. Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are

The lives of both twins are endangered by this condition. The meaning of twin is either of two offspring produced in the same pregnancy. How to use twin in a sentence. Either of two children born to the same mother on the same occasion: One of two very similarÒ€¦. Learn more.

One of two very similarÒ€¦. Learn more.