ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÏÂͼΪÓú¬32PµÄT2ÊɾúÌåÇÖȾ´ó³¦¸Ë¾ú£¨T2ÊɾúÌåרÐÔ¼ÄÉúÔڴ󳦸˾úϸ°ûÄÚ£¬´ó³¦¸Ë¾úÅàÑøÒºÖв»º¬32P£©µÄʵÑ飬¾Ýͼ»Ø´ðÎÊÌ⣺
(1)ͼÖеÄA±íʾÊɾúÌåÇÖȾ´ó³¦¸Ë¾úµÄ¹ý³Ì£¬´Ë¹ý³ÌÖнøÈë´ó³¦¸Ë¾úϸ°ûÄÚµÄÎïÖÊÊÇ ¡£
(2)µ±ÓÃÊɾúÌåÇÖȾ´ó³¦¸Ë¾úºó£¬Èç¹ûÅàÑøʱ¼ä¹ý³¤£¬·¢ÏÖÔÚ½Á°èºóµÄÉÏÇåÒºÖÐÓзÅÉäÐÔ£¬×î¿ÉÄܵÄÔÒòÊÇ £»ÈôÅàÑøʱ¼ä¹ý¶Ì£¬ÔòÉÏÇåÒºÖзÅÉäÐÔÇ¿¶È»á £¬×î¿ÉÄܵÄÔÒòÊÇ ¡£
(3)ÇëÄãÉè¼ÆÒ»¸ö¸øT2ÊɾúÌå±ê¼ÇÉÏ32PµÄʵÑ飻
¢ÙÅäÖÆÊÊÒ˴󳦸˾úÉú³¤µÄÅàÑøÒº£¬ÔÚÆäÖмÓÈ뺬 µÄÍÑÑõºËÜÕËᣬ×÷ΪºÏ³É µÄÔÁÏ¡£
¢ÚÔÚÉÏÊöÅàÑøÒºÖÐÏÈÅàÑø £¬ÅàÑøÒ»¶Îʱ¼äºó£¬ÔÙÓÃÊɾúÌåÇÖȾ£¬¼ÌÐø½øÐÐÅàÑø¡£
¢ÛÒ»¶¨Ê±¼äºó£¬ÔÚÅàÑøÒºÖоͿÉÒÔÌáÈ¡³öËùÐèÒªµÄ ¡£
¡¾´ð°¸¡¿
£¨1£©ÊɾúÌåDNA
£¨2£©¸´ÖÆÔöÖ³ºóµÄ×Ó´úÊɾúÌå´Ó´ó³¦¸Ë¾úÌåÄÚÊͷųöÀ´ ±ä´ó º¬ÓзÅÉäÐÔ32P±ê¼ÇµÄÇ×´úÊɾúÌ廹ûÓÐÇÖȾ´ó³¦¸Ë¾ú¶ø±»½Á°èÀëÐĵ½ÉÏÇåÒºÖÐ
£¨3£©¢Ù32P DNA»ò´ó³¦¸Ë¾úDNA ¢Ú´ó³¦¸Ë¾ú ¢Û32P±ê¼ÇµÄT2ÊɾúÌå
¡¾½âÎö¡¿
ÊÔÌâ½âÎö£º·ÖÎöÌâͼ£ºÍ¼Ê¾±íʾT2ÊɾúÌåÇÖȾϸ¾úµÄʵÑ飬Æä²½ÖèΪ£º·Ö±ðÓÃ35S»ò32P±ê¼ÇÊɾúÌå¡úÊɾúÌåÓë´ó³¦¸Ë¾ú»ìºÏÅàÑø¡úÊɾúÌåÇÖȾδ±»±ê¼ÇµÄϸ¾ú¡úÔÚ½Á°èÆ÷ÖнÁ°è£¬È»ºóÀëÐÄ£¬¼ì²âÉÏÇåÒººÍ³ÁµíÎïÖеķÅÉäÐÔÎïÖÊ£®ÊɾúÌåµÄ·±Ö³¹ý³ÌΪ£ºÎü¸½¡ú×¢È루עÈëÊɾúÌåµÄDNA£©¡úºÏ³É£¨¿ØÖÆÕߣºÊɾúÌåµÄDNA£»ÔÁÏ£ºÏ¸¾úµÄ»¯Ñ§³É·Ö£©¡ú×é×°¡úÊÍ·Å¡£
£¨1£©Í¼ÖеÄA±íʾÊɾúÌåÇÖȾ´ó³¦¸Ë¾úµÄ¹ý³Ì£¬´Ë¹ý³ÌÖнøÈë´ó³¦¸Ë¾úϸ°ûÄÚµÄÎïÖÊÊÇÊɾúÌåDNA£¬Ã»ÓнøÈë´ó³¦¸Ë¾úϸ°ûÄÚµÄÎïÖÊÊǵ°°×ÖÊÍâ¿Ç¡£
£¨2£©µ±ÓÃÊɾúÌåÇÖȾ´ó³¦¸Ë¾úºó£¬Èç¹ûÅàÑøʱ¼ä¹ý³¤£¬·¢ÏÖÔÚ½Á°èºóµÄÉÏÇåÒºÖÐÓзÅÉäÐÔ£¬×î¿ÉÄܵÄÔÒòÊǸ´ÖÆÔöÖ³ºóµÄÊɾúÌå´Ó´ó³¦¸Ë¾úÌåÄÚÊͷųöÀ´£»ÈôÅàÑøʱ¼ä¹ý¶Ì£¬ÔòÉÏÇåÒºÖзÅÉäÐÔÇ¿¶È»á±ä´ó£¬×î¿ÉÄܵÄÔÒòÊǺ¬ÓзÅÉäÐÔ32P±ê¼ÇµÄÊɾúÌ廹ûÓÐÇÖȾ´ó³¦¸Ë¾ú¶ø±»½Á°èÀëÐĵ½ÉÏÇåÒºÖС£
£¨3£©¢ÙÅäÖÆÊÊÒ˴󳦸˾úÉú³¤µÄÅàÑøÒº£¬ÔÚÆäÖмÓÈ뺬32PµÄÍÑÑõºËÜÕËᣬ×÷ΪºÏ³ÉDNAµÄÔÁÏ¡£
¢ÚÔÚÉÏÊöÅàÑøÒºÖÐÏÈÅàÑø´ó³¦¸Ë¾ú£¬ÅàÑøÒ»¶Îʱ¼äºó£¬ÔÙÓÃT2ÊɾúÌåÇÖȾ£¬¼ÌÐø½øÐÐÅàÑø¡£
¢ÛÒ»¶¨Ê±¼äºó£¬ÔÚÅàÑøÒºÖоͿÉÒÔÌáÈ¡³öËùÐèÒªµÄ32P±ê¼ÇµÄT2ÊɾúÌå¡£