Why don't twins have the same fingerprints?Everyone knows that no one can have the same finger prints. but if their are identical twins and they  were formed  at the same time . Heres the scientific reason "Fingerprints are 
formed semi-randomly as
  
 the foetus develops in the womb and are affected by such

things as chance fluctuations of hormone levels. Similarly,

 the pattern of freckles and moles on the skin is caused by

 random mutations and will vary between identical twins.


DEFINITIONS: Foetus: ( is a prenatal human between its embryonic state and its birth. )