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