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