What are fraternal twins
Non identical twins
How are non identical twins formed
When 2 separate eggs are fertilised by 2 separate sperms
Can non identical twins be the different sex
Yes they are no more alike than sibilings
How are identical twins formed
When 1 egg is fertilised but some where along the way it splits into 2.Theses two half’s are genetically identical
What are identical twins usually
The same sex and can share a placenta
What happens conjoined twins
They follow the same process as identical twins but during the spermatophore they don’t fully split