?? DNA ???? ???? ??? ??? ????? ????????? ??????? ??? ???????????? ?? organism. ??????? ??? ????? ??????? ?? ?????? ??????? ???? ?????????????? , ??????????, ??? ??????????? ?????????????????????????? ??????????????????????? ???? ???????????? ?? ???????? ????????? DNA ???????? ????? ?????? ???? ?????? ??? ????? ???????????. ?????? ?????????????