We have all seen twins, some of us even have one! While whenever the word "twins" come to our mind, we think of fraternal or identical pairs. But did you know that there are many other types and ...

New reproductive technologies have yielded a vast array of novel variations on the two conventional twin types—identical and fraternal—as well as some curious twin-like sibships. When a Canadian ...

Let's clear something up: there are actually two main types of twins. Identical twins come from the same fertilised egg that splits in two, making them genetic copies of each other. Fraternal twins, ...