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