As for the theory of Christianity that Sin is inherited from Adam and Eve. That is because they did sin so i am born with those sins. Then Why not my sins be transfered to Adam And Eve.
Then about these verses from Bible.

EZIKIEL 18:20

The soul that sinneth, it shall die. The son shall not bear the iniquity of the father, neither shall the father bear the iniquity of the son: the righteousness of the righteous shall be upon him, and the wickedness of the wicked shall be upon him.

Isn't this Contradictory, If no Explain why it is not Contradictory.

Kindly give relevant answer. without going to some other verses to explain, Be SPECIFIC

No you have to be responsible for your own actions.