Ì½ÃØ¡°ÈËor¹·DNAÓëÖíor¹·DNA¡±µÄÖ÷񻂿±ð¼°Ê¹Óó¡¾°½âÎö

À´Ô´£ºÖ¤È¯Ê±±¨Íø×÷Õߣº
×ÖºÅ

ҽѧÑо¿

ÈËÀàºÍ¹·µÄ?DNA²î±ðÑо¿ÔÚҽѧÁìÓòÓÐÖØÒªÓ¦Ó᣹·×÷Ϊģʽ¶¯ÎïÖ®Ò» £¬Æä»ùÒò×éÓëÈËÀàºÜÊÇÏàËÆ £¬ÕâʹµÃ¹·ÔÚÐí¶àҽѧÑо¿Öб»¹ã·ºÓ¦Óá£ÀýÈç £¬¹·ÔÚÑо¿ÈËÀàµÄijЩ¼²²¡ÈçÐÄÔಡ?¡¢°©Ö¢ºÍÉñ¾­ÍËÐÐÐÔ¼²²¡·½Ãæ¾ßÓÐÖØÒª¼ÛÖµ¡£Í¨¹ý¶ÔÈËÀàºÍ¹·DNAµÄ±È½Ï £¬¿ÆÑ§¼ÒÃÇÄܹ»ÕÒµ½Ðí¶àÏà¹Ø»ùÒòºÍÉúÎï»úÖÆ £¬´Ó¶øÍƶ¯Ò½Ñ§Ñо¿ºÍÖÎÁÆÒªÁìµÄÉú³¤¡£

CRÀ©Ôö

Éè¼ÆÒýÎѡÔñÄ¿±êDNAÐòÁеÄǰºóÒýÎï £¬È·±£Æä¾ßÓÐ×ã¹»µÄÌØÒìÐÔºÍÀ©ÔöЧÂÊ¡£

·´Ó¦»ìÏýÎï×¼±¸£ºÔÚPCR·´Ó¦¹ÜÖлìÏýDNAÄ£°å¡¢ÒýÎï¡¢dNTPs£¨ÍÑÑõºËÜÕËáÈýÁ×Ëᣩ¡¢»º³åÒººÍDNA¾ÛºÏø¡£

PCRÑ­»·£ºÍ¨¹ýPCRÒǽøÐÐÈÈÑ­»· £¬°üÀ¨±äÐÔ£¨94¡æ £¬30Ã룩¡¢ÍË»ð£¨50-60¡æ £¬30Ã룩ºÍÑÓÉ죨72¡æ £¬Ê±¼äÒÀÐò³¤¶È¶ø¶¨£©¡£

²úÆ·¼ì²â?£ºÍ¨¹ýÄý½ºµçÓ¾¼ì²âPCR²úÆ· £¬È·±£Ä¿±êƬ¶ÎÀÖ³ÉÀ©Ôö¡£

1ÖíDNA¼ì²â°ì·¨

Ñù±¾ÊÕÂÞ£ºÍ¨³£Í¨¹ýë·¢¡¢¿ÚÇ»ÊÃ×Ó»òѪÑù½øÐÐÊÕÂÞ¡£Ã«·¢ºÍ¿ÚÇ»ÊÃ×ӱ㵱¿ì½Ý £¬ÊÊÓÃÓÚÈÕ³£¼ì²â¡£Ñù±¾·¢»õ£º½«ÊÕÂÞµ½µÄÑù±¾½øÐаü×° £¬²¢Í¨¹ý¿ìµÝ·¢ËÍÖÁDNA¼ì²â»ú¹¹¡£DNAÌáÈ¡£ºÊµÑéÊÒ´ÓÑù±¾?ÖÐÌáÈ¡DNA £¬ÕâÊǺóÐøÆÊÎöµÄ»ù´¡¡£²âÐòºÍÆÊÎö£ºÊ¹ÓøßͨÁ¿²âÐò¼¼Êõ¶ÔDNA½øÐÐÆÊÎö £¬»ñµÃÖíµÄ»ùÒò×éÐÅÏ¢¡£

±¨¸æÉú³É£ºÉú³É±¨¸æ £¬°üÀ¨ÖíµÄ½¡¿µ×´¿ö¡¢¼²²¡Î£º¦¡¢ÓýÖÖÑ¡Ôñ½¨ÒéµÈÄÚÈÝ¡£

3δÀ´Õ¹Íû

Õ¹ÍûδÀ´ £¬Ëæ×ż¼ÊõµÄ²»?¶Ï½ø²½ £¬DNAÆÊÎöºÍ»ùÒò±à¼­½«ÔÚҽѧ¡¢Å©ÒµºÍÇé¿ö±£»¤µÈÁìÓò·¢»Ó¸ü´óµÄ×÷Óá£ÈËor¹·DNAÓëÖíDNAµÄÅäºÏÓë·ÀÖν«³ÉΪ½â¾öÈ«ÇòÖØ´óÎÊÌâµÄÖØÒªÊֶΡ£ÎÒÃÇÓÐÀíÓÉÏàÐÅ £¬Í¨¹ý¿ÆÑ§¼¼ÊõµÄÉú³¤ £¬ÈËÀàÄܹ»¸üºÃµØÓ¦¶Ô½¡¿µ¡¢Á¸Ê³Äþ¾²ºÍÇé¿ö±£»¤µÈÈ«ÇòÐÔÌôÕ½¡£

ÔÚ̽ÌÖ¡°ÈËor¹·DNAÓëÖíDNAµÄÅäºÏÓë·ÀÖιٷ½°æ¡±µÄÀú³ÌÖÐ £¬ÎÒÃDz»µ«¿´µ½ÁËÏÖ´úÉúÎï¿Æ¼¼µÄÇ°ÑØÓ¦Óà £¬»¹Ë¼¿¼ÁËÕâÒ»¼¼Êõ±³ºóµÄÌôÕ½ÓëδÀ´Õ¹Íû¡£±¾ÎĽ«¼ÌÐøÉîÈëÆÊÎöÕâÒ»Ö÷Ìâ £¬ÎªÄúÌṩԽ·¢È«ÃæµÄÀí½âºÍǰհÐÔµÄÖ¸µ¼¡£

У¶Ô£º³ÂÊçÕê(p6mu9CWFoIx7YFddy4eQTuEboRc9VR7b9b)

ÔðÈα༭£º ÂÞÓÑÖ¾
ΪÄãÍÆ¼ö
Óû§ÆÀÂÛ
µÇ¼ºó¿ÉÒÔ̸»°
ÍøÓÑÆÀÂÛ½ö¹©Æä±í´ï¸öÈË¿´·¨ £¬²¢²»±êÃ÷֤ȯʱ±¨Á¢³¡
ÔÝÎÞÆÀÂÛ