Twins are so beautiful to look at. The resemblance is just epic. In addition, most parents like to dress their twins in the same outfit, making it even harder to distinguish who is Peter and who is Paul. Most twins exhibit both genetic and phenotypic resemblances and behaviors. Here are a few other facts that you should know about twins.
Identical and fraternal
You have heard the term identical twins, haven’t you? Identical twins are as a result if one fertilized egg which splits to form two embryos. Identical twins are look-alikes. Fraternal twins, on the other hand, are as a result of two different eggs fertilized by different sperms. Fraternal twins may not necessarily be look-alikes.
Nigerians
According to www.wikipedia.com, Yoruba people of Nigeria are believed to have the highest number of twins in the World. The report further alludes to the fact they eat a certain type of yam which stimulates both ovaries to release an egg. The two eggs are then fertilized.
Early delivery
A pregnant woman carrying twins will go into labor earlier than a pregnant woman who is not carrying twins. Some health sites quote a difference of three weeks between a pregnant woman carrying twins and a pregnant woman not carrying twins. Twins can be female-female, Male-male or female-male.