Twins can either be Mono-zygotic (Identical) Which means they develop from one zygote which splits and forms two embryos, or Di-zygotic (fraternal) meaning that each twin develops from two different eggs and each egg is fertilized by a different sperm cell.
I am not sure which one may be your answer.
But
I Hope This Helped!
There actually is some starting to show in the media :)
Asthma i have friends and some family with it
1. Bacteria - Haemophilus influenzae
2. Virus - Dengue virus
3. Fungi - Candida albicans
4. Protist - Plasmodium protozoa
5. Worm - Cestoda or Tapeworms
