And the reason is because in certain individuals, they can actually have genetic changes or mutations that are not passed down from the mother or from the father, but actually start brand new in them, mutations that are present in the egg or the sperm at the time of conception but have not been passed down generation through generation within the family.
Dhe arsyeja eshte qe ne disa individe, mund te ndodhin ndryshime  gjenetike ose mutacione qe nuk trashegohen nga nena apo babai, por fillojne krejt te reja tek keta individe. mutacione qe jane prezente tek veza ose sperma ne momentin e konceptimit por qe nuk jane trasheguar brez pas brezi brenda familjes.