Question

how do twins form from a single celled zygote?

Answer 1

So identical twins comes from one zygote and spilts into 2 embryos. Fraternal twins on the other hand are called 'Diszygotic'. This means they start out from two different zygotes, which means they come from two different eggs, each fertilized by a sperm...
HoPe It HeLpS...
MARK ME AS BRAINLIST
*@akash*

Answer 2

Generally when egg and sperm they form a single zygote. When this zygote divides into two, then twins are formed. Each share exactly same genetic components and identical genetic structures.