ÒâÁÏµÄÆðÔ´ÓëÅä¾°
‡b»ÊDNA£¨HypotheticalAncientDNA£©ÕâÒ»¿´·¨£¬Ô´×ÔÓڶԹŴúÈËÀ༰ÆäËûÃð¾øÎïÖÖ»ùÒò×éµÄÑо¿¡£¿ÆÑ§¼ÒÃÇÔÚ¿¼¹Å·¢Ã÷ÖУ¬·¢Ã÷ÁËһЩÓëÏÖ´æÈËÀàDNAÍêÈ«²î±ðµÄ»ùÒòƬ¶Ï£¬ÕâЩ»ùÒòƬ¶Ï±»ÍƲâ¿ÉÄÜÀ´×ÔÓÚһЩÒѾÃð¾øµÄ¹Å´úÈËÀà»òÆäËûÖÇÈË¡£
ÕâЩ»ùÒòƬ¶Ï±»Í³³ÆÎª¡°‡b»ÊDNA¡±£¬ËüÃÇÓëÏÖ´æÈËÀàDNAµÄ½»Ö¯£¬Òý·¢ÁËһϵÁйØÓÚÈËÀà½ø»¯µÄÐÂÒâÁÏ¡£
ÕùÒéÓëÌôÕ½
Ö»¹Ü‡b»ÊDNAÓëÈËÀàDNA½»Ö¯ÒâÁÏÒýÆðÁËÆÕ±é¹Ø×¢£¬µ«ËüÒ²ÃæÁÙÐí¶àÕùæÅºÍÌôÕ½£º
Ö¤¾Ýȱ·¦£ºÏÖÔÚ¶Ô‡b»ÊDNAµÄÖ¤¾ÝÈÔÈ»ÓÐÏÞ£¬Ðí¶à»ùÒòƬ¶ÏµÄȪԴºÍ¹¦Ð§Éв»Ã÷È·¡£
Ñо¿ÒªÁìµÄ¾ÖÏÞÐÔ£ºÓÉÓÚÑо¿µÄÖØ´óÐÔ£¬ÏÖÔÚµÄÑо¿ÒªÁì¿ÉÄÜÎÞ·¨ÍêÈ«½â¾öËùÓеÄÒÉÎÊ¡£
¶àѧ¿Æ½»Ö¯µÄÐèÇó£ºÃ÷È·‡b»ÊDNAÐèÒª¶àѧ¿ÆµÄ?½»Ö¯ºÏ×÷£¬°üÀ¨»ùÒò×éѧ¡¢¿¼¹Åѧ¡¢ÈËÀàѧµÈ¡£
‡b»ÊDNAµÄ?DZÔÚÓ°Ïì
ÈËÀà½ø»¯µÄÐÂÊӽǣº‡b»ÊDNAµÄ·¢Ã÷ΪÎÒÃÇÃ÷È·ÈËÀà½ø»¯ÌṩÁËеÄÊӽǡ£ËüÃÇ¿ÉÄÜÕ¹ÏÖÁËһЩ¹Å´úÈËÀàÔÚ½ø»¯Àú³ÌÖÐËùÓµÓÐµÄÆæÒìÌØÕ÷£¬ÕâÐ©ÌØÕ÷¿ÉÄÜÔÚÏÖ´ú?ÈËÀàÖÐÁôÏÂÁËÒÅ´«ºÛ¼£¡£
ÒÅ´«?¶àÑùÐÔµÄȪԴ£º‡b»ÊDNAµÄ±£´æÔöÌíÁËÈËÀà»ùÒò×éµÄÖØ´óÐÔ£¬¿ÉÄÜΪÎÒÃÇÃ÷È·ÈËÀà»ùÒò¶àÑùÐÔÌṩÁËеÄÏßË÷¡£ËüÃÇ¿ÉÄÜÚ¹ÊÍÁËһЩÏÖ´úÈËÀàÌØÓеÄÐÐΪºÍÐÄÀíÌØÕ÷¡£
ÎÄ»¯ºÍÐÐΪµÄÓ°Ï죺ËäÈ»‡b»ÊDNAµÄÏêϸ¹¦Ð§ÈÔ²»Ã÷È·£¬µ«¿ÆÑ§¼ÒÃÇÍÆ²âËüÃÇ¿ÉÄܶԹŴúÈËÀàµÄÎÄ»¯ºÍÐÐΪ±¬·¢ÁËÓ°Ïì¡£ÕâΪÎÒÃÇÃ÷È·¹Å´úÈËÀàµÄÉúÑÄ·½·¨ÌṩÁËеÄÊӽǡ£
δÀ´Õ¹Íû
ÉîÈë»ùÒòÆÊÎö£ºÍ¨¹ýÔ½·¢¾«×¼µÄ»ùÒòÆÊÎöÊÖÒÕ£¬Õ¹ÏÖ‡b»ÊDNAµÄ?Ïêϸ¹¦Ð§ºÍȪԴ¡£
¿çѧ¿ÆºÏ×÷£ºÔöÇ¿»ùÒò×éѧÓëÆäËûѧ¿ÆµÄºÏ×÷£¬ÒÔ¸üÖÜÈ«µØÃ÷È·‡b»ÊDNAµÄÓ°Ïì¡£
¹Å´úÈËÀàµÄÖØÐÞ£ºÍ¨¹ý¶Ô¹Å´úÈËÀà»ùÒò×éµÄÖØÐÞ£¬½øÒ»²½Ïàʶ‡b»ÊDNAµÄ?ÀúÊ·ºÍÑݱä?¡£
ÈËÀà½ø»¯µÄÐÂÊӽǣº‡b»ÊDNAµÄÑо¿¿ÉÄÜΪÈËÀà½ø»¯ÌṩеÄÊӽǣ¬ÌôÕ½²¢¸»ºñÎÒÃǶÔÈËÀàÆðÔ´µÄÃ÷È·¡£
ͨ¹ýÕâЩÑо¿£¬ÎÒÃÇÓÐÍû½Ò¿ª‡b»ÊDNAµÄÉñÃØÃæÉ´£¬½øÒ»²½ÉÎÒÃǶÔÈËÀàÆðÔ´ºÍ½ø»¯µÄÃ÷È·¡£Õâ²»µ«¶Ô¿ÆÑ§½ç¾ßÓÐÖ÷ÒªÒâÒ壬ҲΪÎÒÃÇÃ÷È·×Ô¼ºµÄÀúÊ·ºÍδÀ´ÌṩÁËÃû¹óµÄ¶´¼û¡£
ÔõÑù½â¾öPCRÀ©Ôöʧ°ÜµÄÎÊÌ⣿
PCRÀ©Ôöʧ°Ü¿ÉÄÜÊÇÓÉÓÚÒýÎïÉè¼Æ²»µ±¡¢·´Ó¦Ìõ¼þ²»¶ÔÊÊ»òÑù±¾ÎÛȾÒýÆðµÄ¡£Äú¿ÉÒÔʵÑéÒÔϼ¸ÖÖÒªÁ죺
ÓÅ»¯ÒýÎïÉè¼Æ£ºÈ·±£ÒýÎïµÄ³¤¶ÈºÍ¼î»ùÅäÃé׼ȷ¡£µ÷½â·´Ó¦Ìõ¼þ£ºÓÅ»¯PCR·´Ó¦ÏµÍ³£¬°üÀ¨Î¶ȡ¢Ê±¼äºÍÑ»·´ÎÊý¡£¼ì²éÑù±¾ÎÛȾ£ºÊ¹ÓÃÎÞ¾úÊÖÒÕ£¬×èÖ¹Ñù±¾ÎÛȾ¡£
¶ÔδÀ´¿ÆÑ§Ñо¿µÄÆôʾ
¶àÑùÐÔÓëÖØ´óÐÔ£º‡b»ÊDNAµÄ±£´æ£¨¼ÙÉèÆä±£´æ£©½«ÌáÐÑÎÒÃÇ£¬ÉúÎïÌìϵĶàÑùÐÔºÍÖØ´óÐÔÔ¶Ô¶Áè¼ÝÎÒÃÇÄ¿½ñµÄÈÏÖª¹æÄ£¡£Õâ´ÙʹÎÒÃÇһֱ̽Ë÷ºÍ·¢Ã÷еÄÉúÎïÌåºÍ»ùÒòÐòÁС£
¿çѧ¿ÆÑо¿£º‡b»ÊDNAµÄÑо¿ÐèÒª¿çÔ½¶à¸öѧ¿Æ£¬°üÀ¨ÒÅ´«Ñ§¡¢ÉúÎﻯѧ¡¢Éú̬ѧºÍÅÌËãÉúÎïѧµÈ¡£ÕâÌáÐÑÎÒÃÇ£¬Î´À´µÄ¿ÆÑ§Ñо¿½«Ô½À´Ô½ÐèÒª¶àѧ¿ÆºÏ×÷¡£
ÊÖÒÕÁ¢Ò죺‡b»ÊDNAµÄÑо¿½«ÍÆÏÂÊÖÒÕÁ¢Òì£¬ÌØÊâÊÇÔÚ»ùÒò²â?Ðò¡¢»ùÒò±à¼ºÍÊý¾ÝÆÊÎöµÈ·½Ãæ¡£ÕâЩÊÖÒÕÁ¢Ò콫ΪδÀ´µÄ¿ÆÑ§Ñо¿Ìṩ¸üǿʢµÄ¹¤¾ß¡£
Â×ÀíÓëÉç»áÓ°Ïì£ºËæ×Ňb»ÊDNAµÄÑо¿Ï£Íû£¬ÎÒÃÇÒ²ÐèÒªÃæÁÙһϵÁÐÂ×ÀíºÍÉç»áÎÊÌâ¡£ÀýÈ磬»ùÒò±à¼ºÍ»ùÒòÁÆ·¨µÄÂ×ÀíÎÊÌ⣬»ùÒòÊÖÒÕµÄÉç»áÓ°ÏìµÈ¡£ÕâÌáÐÑÎÒÃÇÔÚÍÆ¶¯¿ÆÑ§Ç°½ø?µÄҲҪ˼Á¿Æä¶ÔÉç»áµÄÓ°Ïì¡£
¹Å´úÈËÀàÒÅ?8.‡b»ÊDNAµÄ·¢Ã÷Àú³Ì
¹Å´úÈËÀàÒź¡£º‡b»ÊDNAµÄ·¢Ã÷ʼÓڶԹŴúÈËÀàÒź¡µÄÑо¿¡£¿ÆÑ§¼Òͨ¹ý¶ÔÈ«Çò¸÷µØµÄ?¿¼¹ÅÒÅÖ·¾ÙÐоò¿Í£¬ÌáÈ¡ÁË´ó×ڹŴúÈËÀàµÄDNA¡£ÕâЩÒź¡°üÀ¨´ÓÄá°²µÂÌØÈË¡¢µ¤ÄáË÷ÍßÈ˵ȹŴúÖÇÈ˵½¸üÔçÆÚµÄÎôÈËÀ໯ʯ¡£
DNAÌáÈ¡Óë²âÐò£ºËæ×ÅDNAÌáÈ¡ºÍ²âÐòÊÖÒÕµÄǰ½ø£¬¿ÆÑ§¼ÒÄܹ»´Ó¹Å´úÒź¡ÖÐÌáÈ¡³öÍêÕûµÄDNAÐòÁС£Í¨¹ý¸ßͨÁ¿²âÐòÊÖÒÕ£¬ËûÃÇÄܹ»ÆÊÎöÕâЩ»ùÒòÐòÁУ¬²¢ÓëÏÖ´æÈËÀà»ùÒò×é¾ÙÐнÏÁ¿¡£
»ùÒò×é½ÏÁ¿£ºÍ¨¹ý¶Ô¹Å´úDNAºÍÏÖ´úÈËÀàDNAµÄ±È?½Ï£¬¿ÆÑ§¼Ò·¢Ã÷ÁËһЩ»ùÒòƬ¶ÏÔÚÏÖ´úÈËÀàÖв»±£´æ£¬µ«ÔڹŴúÈËÀàDNAÖÐÈ´ÓÐÃ÷È·µÄºÛ¼£¡£ÕâЩ»ùÒòƬ¶Ï±»¹éÀàΪ‡b»ÊDNA¡£
¿ÆÑ§Ñо¿µÄÔ¶¾°
ÉîÈë»ùÒòÆÊÎö£ºÍ¨¹ýÔ½·¢¾«×¼µÄ»ùÒòÆÊÎöÊÖÒÕ£¬Õ¹ÏÖ‡b»ÊDNAµÄÏêϸ¹¦Ð§ºÍȪԴ¡£Õ⽫ÓÐÖúÓÚÎÒÃǸüºÃµØÃ÷È·ÕâЩ»ùÒòƬ¶ÏµÄÉúÎïѧÒâÒå¡£
¿çѧ¿ÆºÏ×÷£ºÔöÇ¿»ùÒò×éѧÓëÆäËûѧ¿ÆµÄºÏ×÷£¬°üÀ¨¿¼¹Åѧ¡¢ÈËÀàѧ¡¢¹ÅÉúÎïѧµÈ¡£Í¨¹ý¶àѧ¿ÆµÄ½»Ö¯Ñо¿£¬¿ÉÒÔ¸üÖÜÈ«µØÃ÷È·‡b»ÊDNAµÄÓ°Ïì¡£
¹Å´úÈËÀàµÄÖØÐÞ£ºÍ¨¹ý¶Ô¹Å´úÈËÀà»ùÒò×éµÄÖØÐÞ£¬½øÒ»²½Ïàʶ‡b»ÊDNAµÄÀúÊ·ºÍÑݱ䡣Õ⽫ÓÐÖúÓÚÎÒÃǹ¹½¨Ô½·¢ÍêÕûµÄÈËÀà½ø»¯Ê·¡£
ÈËÀà½ø»¯µÄÐÂÊӽǣº‡b»ÊDNAµÄÑо¿¿ÉÄÜΪÈËÀà½ø»¯ÌṩеÄÊӽǣ¬ÌôÕ½²¢¸»ºñÎÒÃǶÔÈËÀàÆðÔ´µÄÃ÷È·¡£
У¶Ô£º³ÂÎÄÜç(6cEOas9M38Kzgk9u8uBurka8zPFcs4sd)



