PROGRAMIG UNO USING DUE

I WISH DUE HAS MANY RX/TX PORTS, SO CAN I USE THEM TO PROGRAM UNO ..
IS IT POSSIBLE TO CONNECT RX1,TX1 TO UNO RX TX , AND UPLOAD SKETCH TO UNO?

ACTUALLY MY UNO IS NOT WORKING(NOT DETECTED BY PC,THOUGH POWER IS OK),
SO I BADLY NEED TO PROGRAM MY UNO.....................
HELP GUYS.....

Anirban sengupta
koolasg@live.in