ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿£¨1£©»ùÒò¹¤³ÌµÄ»ù±¾²½ÖèÊÇ
£¨1£©a£® £¬b£®Ä¿µÄ»ùÒòºÍÔËÔØÌå½áºÏ£¬c£®½«Ä¿µÄ»ùÒòµ¼ÈëÊÜÌåϸ°û£¬d£® £®
£¨2£©ÈËÀàÒÅ´«²¡ÊÇÓÉÓÚÒÅ´«ÎïÖʸıäÒýÆðµÄ»ù±¾£¬°üÀ¨ ¡¢ ºÍ £®ÒÅ´«²¡¼à²âºÍÔ¤·ÀµÄÊÖ¶ÎÓÐ ºÍ µÈ£®
£¨3£©ÎÖɺͿËÀï¿ËÌá³öDNAµÄ·Ö×ӽṹÊÇ £¬¿ËÀï¿ËÌá³öµÄÖÐÐÄ·¨ÔòÊÇ £®
£¨4£©Éñ¾µ÷½ÚµÄ»ù±¾·½Ê½ÊÇ £»Ò»¸öÍêÕûµÄ·´É仡°üÀ¨ £¬´«ÈëÉñ¾£¬ £¬´«³öÉñ¾£¬Ð§Ó¦Æ÷Î岿·Ö£®
£¨5£©Éñ¾ÔªÐË·ÜÊǵÄĤµçλÊÇ £®ÐË·ÜÔÚÉñ¾ÏËάÉÏ´«µ¼µÄ·½ÏòÊÇ £®Á½¸öÉñ¾ÔªÏàÁªÏµµÄ½á¹¹ÊÇ £¬ÔڸýṹÖд«µÝÐ˷ܵÄÎïÖʳÆΪ £®
¡¾´ð°¸¡¿
£¨1£©ÌáÈ¡Ä¿µÄ»ùÒò£»Ä¿µÄ»ùÒòµÄ¼ì²âºÍ¼ø¶¨
£¨2£©µ¥»ùÒòÒÅ´«²¡£»¶à»ùÒòÒÅ´«²¡£»È¾É«ÌåÒì³£ÒÅ´«²¡£»ÒÅ´«×Éѯ£»²úÇ°Õï¶Ï
£¨3£©¹æÔòµÄË«ÂÝÐý½á¹¹£»
£¨4£©·´É䣻¸ÐÊÜÆ÷£»Éñ¾ÖÐÊà
£¨5£©Í⸺ÄÚÕý£»Í¬Éñ¾ÏËάÄÚ¾Ö²¿µçÁ÷·½Ïò£»Í»´¥£»Éñ¾µÝÖÊ
¡¾½âÎö¡¿½â£º£¨1£©»ùÒò¹¤³ÌµÄ»ù±¾²½ÖèÊÇa£®ÌáÈ¡Ä¿µÄ»ùÒò£¬b£®Ä¿µÄ»ùÒòºÍÔËÔØÌå½áºÏ£¬c£®½«Ä¿µÄ»ùÒòµ¼ÈëÊÜÌåϸ°û£¬d£®Ä¿µÄ»ùÒòµÄ¼ì²âºÍ¼ø¶¨£®£¨2£©ÈËÀàÒÅ´«²¡ÀàÐÍ£ºa¡¢µ¥»ùÒòÒÅ´«²¡£¨ÓÉÒ»¶ÔµÈλ»ùÒò¿ØÖƵÄÒÅ´«²¡£©b¡¢¶à»ùÒòÒÅ´«²¡£¨Óɶà¶ÔµÈλ»ùÒò¿ØÖƵÄÈËÀàÒÅ´«²¡£©c¡¢È¾É«ÌåÒì³£ÒÅ´«²¡£¨È¾É«ÌåÒì³£ÒýÆðµÄÒÅ´«²¡£¬°üÊýÄ¿Òì³£ºÍ½á¹¹Òì³££©£®ÒÅ´«²¡µÄ¼à²âºÍÔ¤·À£ºa¡¢²úÇ°Õï¶Ï£ºÌ¥¶ù³öÉúÇ°£¬Ò½ÉúÓÃרÃŵļì²âÊÖ¶ÎÈ·¶¨Ì¥¶ùÊÇ·ñ»¼Ä³ÖÖÒÅ´«²¡»òÏÈÌìÐÔ¼²²¡£¬²úÇ°Õï¶Ï¿ÉÒÔ´ó´ó½µµÍ²¡¶ùµÄ³öÉúÂÊ£®b¡¢ÒÅ´«×Éѯ£ºÔÚÒ»¶¨µÄ³Ì¶ÈÉÏÄܹ»ÓÐЧµÄÔ¤·ÀÒÅ´«²¡µÄ²úÉúºÍ·¢Õ¹£®£¨3£©1953Ä꣬ÃÀ¹úÎÖɺÍÓ¢¹ú¿ËÀï¿ËÌá³öDNAµÄ¹æÔòµÄË«ÂÝÐý½á¹¹£¬ÔÚÒÅ´«Ñ§ÉÏ£¬°ÑÒÅ´«ÐÅÏ¢Á÷·½ÏòÓÿËÀï¿ËÌá³öµÄÖÐÐÄ·¨ÔòÀ´±íʾ£º £¨4£©·´ÉäÊÇÉñ¾µ÷½ÚµÄ»ù±¾·½Ê½£»·´É仡ÊÇ·´Éä»î¶¯µÄ½á¹¹»ù´¡£¬Ò»¸öÍêÕûµÄ·´É仡°üÀ¨¸ÐÊÜÆ÷£¬´«ÈëÉñ¾£¬Éñ¾ÖÐÊ࣬´«³öÉñ¾£¬Ð§Ó¦Æ÷Î岿·Ö£®£¨5£©Éñ¾ÔªÐË·Üʱ£¬ÄÆÀë×ÓÄÚÁ÷£¬³Ê¶¯×÷µçλ£¬Ä¤ÄÚÍâµçλ·Ö²¼ÎªÍ⸺ÄÚÕý£®ÐË·ÜÔÚÉñ¾ÏËάÓÉÐ˷ܲ¿Î»´«ÏòδÐ˷ܲ¿Î»£¬Ä¤ÍâµçÁ÷ÓÉÕýµçλ£¨Î´Ð˷ܲ¿Î»´¦£©Á÷Ïò¸ºµç루Ð˷ܲ¿Î»´¦£©£¬Ä¤ÄÚµçÁ÷ÓÉÕýµç루Ð˷ܲ¿Î»´¦£©Á÷Ïò¸ºµçλ£¨Î´Ð˷ܲ¿Î»´¦£©£®Á½¸öÉñ¾ÔªÏàÁªÏµµÄ½á¹¹ÊÇÍ»´¥£¬ÔڸýṹÖд«µÝÐ˷ܵÄÎïÖʳÆΪÉñ¾µÝÖÊ£®
¡¾¿¼µã¾«Îö¡¿Í¨¹ýÁé»îÔËÓÃDNA·Ö×ӵĽṹÌØÕ÷ºÍÈËÀàÒÅ´«²¡µÄÀàÐͼ°Î£º¦£¬ÕÆÎÕDNAµÄ½á¹¹£ºÓÉÁ½Ìõ¡¢·´ÏòƽÐеÄÍÑÑõºËÜÕËáÁ´ÅÌÐý³ÉË«ÂÝÐý½á¹¹£»Íâ²à£ºÍÑÑõºËÌǺÍÁ×Ëá½»ÌæÁ¬½Ó¹¹³É»ù±¾¹Ç¼Ü£»ÄڲࣺÓÉÇâ¼üÏàÁ¬µÄ¼î»ù¶Ô×é³É£»¼î»ùÅä¶ÔÓÐÒ»¶¨¹æÂÉ£º A £½ T£»G ¡Ô C£»µ¥»ùÒòÒÅ´«²¡³Ê¼Ò×åÒÅ´«¡¢·¢²¡Âʸߣ»¶à»ùÒòÒÅ´«²¡²ú¼ìÀàÐÍëñÁÑ¡¢ÎÞÄÔ¶ù¡¢Ô·¢ÐÔ¸ßѪѹ¡¢ÇàÉÙÄêÐÍÌÇÄò²¡µÈ£»È¾É«ÌåÒì³£ÒÅ´«²¡Ã¨½Ð×ÛºÏÖ¢¡¢ÐÔÏÙ·¢Óý²»È«µÈ¼´¿ÉÒÔ½â´ð´ËÌ⣮
![](http://thumb2018.1010pic.com/images/loading.gif)