ÌâÄ¿ÄÚÈÝ
£¨2005?½õÖÝ£©Èçͼ£¬ÎªÄ³È˵ÄÌåϸ°û½á¹¹Ê¾Òâͼ£¬Çë¾Ýͼ»Ø´ð£º
![](http://thumb.1010pic.com/pic3/upload/images/201309/126/0ddcc7ef.png)
£¨1£©Í¼ÖТÛÓɵ°°×ÖʺÍ
£¨2£©Óüò½àµÄÓïÑÔ˵Ã÷ϸ°ûºË¡¢È¾É«ÌåºÍ»ùÒòÖ®¼äµÄ¹Øϵ£®
´ð£º
£¨3£©Èç¹û¿ØÖÆË«ÑÛƤ»ùÒòΪA£¬aaΪµ¥ÑÛƤ£¬´ËÈ˵ÄÐÔ×´±íÏÖΪ
´ð£º
£¨4£©Èç¹ûAΪÕý³£»ùÒò£¬aΪ»¼²¡»ùÒò£¬ÄÇô´ËÈ˱íÏÖΪ
A¡¢Óë´ËÈËûÓÐÇ×Ôµ¹ØϵµÄÕý³£ÈË
B¡¢Óë´ËÈËÓÐÇ×Ôµ¹ØϵµÄÕý³£ÈË
C¡¢Óë´ËÈËûÓÐÇ×Ôµ¹ØϵÇÒ¼Ò×åÖÐÎ޸ò¡Ê·µÄÕý³£ÈË
Ç뽫ѡÔñ¹ý³ÌÓÃÈçͼµÄÒÅ´«Í¼½â±íʾ³öÀ´£¬ÈçÓÒÉÏͼ£®
![](http://thumb.1010pic.com/pic3/upload/images/201309/126/0ddcc7ef.png)
£¨1£©Í¼ÖТÛÓɵ°°×ÖʺÍ
DNA
DNA
×é³É£®£¨2£©Óüò½àµÄÓïÑÔ˵Ã÷ϸ°ûºË¡¢È¾É«ÌåºÍ»ùÒòÖ®¼äµÄ¹Øϵ£®
´ð£º
»ùÒòÊÇDNA·Ö×ÓÉϾßÓÐÒÅ´«ÐÅÏ¢µÄƬ¶Î£¬DNAÓëµ°°×ÖÊ×é³ÉȾɫÌ壬ȾɫÌå´æÔÚÓÚϸ°ûºËÀ
»ùÒòÊÇDNA·Ö×ÓÉϾßÓÐÒÅ´«ÐÅÏ¢µÄƬ¶Î£¬DNAÓëµ°°×ÖÊ×é³ÉȾɫÌ壬ȾɫÌå´æÔÚÓÚϸ°ûºËÀ
£¨3£©Èç¹û¿ØÖÆË«ÑÛƤ»ùÒòΪA£¬aaΪµ¥ÑÛƤ£¬´ËÈ˵ÄÐÔ×´±íÏÖΪ
Ë«ÑÛƤ
Ë«ÑÛƤ
£®Èç¹û´ËÈ˺ÍÒ»¸ö»ùÒòÐÍΪAaµÄÈ˽á»éËûÃÇËùÉúµÄºó´úÒ»¶¨ÊÇË«ÑÛƤÂ𣿴ð£º
²»Ò»¶¨
²»Ò»¶¨
£®£¨4£©Èç¹ûAΪÕý³£»ùÒò£¬aΪ»¼²¡»ùÒò£¬ÄÇô´ËÈ˱íÏÖΪ
Õý³£
Õý³£
£®Èç¹ûÈ·±£´ËÈ˵ĺó´úûÓл¼¶ù³öÉú£¬ÄÇô´ËÈËӦѡÔñʲôÑùµÄÈ˽á»éC
C
£®A¡¢Óë´ËÈËûÓÐÇ×Ôµ¹ØϵµÄÕý³£ÈË
B¡¢Óë´ËÈËÓÐÇ×Ôµ¹ØϵµÄÕý³£ÈË
C¡¢Óë´ËÈËûÓÐÇ×Ôµ¹ØϵÇÒ¼Ò×åÖÐÎ޸ò¡Ê·µÄÕý³£ÈË
Ç뽫ѡÔñ¹ý³ÌÓÃÈçͼµÄÒÅ´«Í¼½â±íʾ³öÀ´£¬ÈçÓÒÉÏͼ£®
·ÖÎö£ºÈ¾É«ÌåÊÇϸ°ûÄÚ¾ßÓÐÒÅ´«ÐÔÖʵÄÎïÌ壬Ò×±»¼îÐÔȾÁÏȾ³ÉÉîÉ«£¬ËùÒÔ½ÐȾɫÌ壻Óɵ°°×ÖʺÍDNA×é³É£¬ÊÇÒÅ´«ÎïÖÊ»ùÒòµÄÔØÌ壻ÿÖÖÉúÎïµÄÌåϸ°ûÄÚ¶¼º¬ÓÐÒ»¶¨ÊýÁ¿µÄ½á¹¹²»Í¬µÄȾÌ壬ÈçÕý³£È˵ÄÌåϸ°ûȾɫÌåÊýĿΪ23¶Ô£¬²¢ÓÐÒ»¶¨µÄÐÎ̬ºÍ½á¹¹£»È¾É«ÌåÔÚÌåϸ°ûÄڳɶԴæÔÚ£¬»ùÒòλÓÚȾɫÌåÉÏ£¬Òò´Ë»ùÒòÒ²ÊdzɶԴæÔڵģ®
½â´ð£º
½â£º£¨1£©Í¼Ê¾ÖТÛΪȾɫÌ壬ȾɫÌåÓɵ°°×ÖʺÍDNA×é³É£¬DNAÊÇÒÅ´«ÐÅÏ¢µÄÔØÌ壮
£¨2£©Ï¸°ûºËÄÚÄܱ»¼îÐÔȾÁÏȾ³ÉÉîÉ«µÄÎïÖʽÐȾɫÌ壬ÓÉDNAºÍµ°°×ÖÊ×é³É£®DNA·Ö×Ӻܳ¤£¬ÊÇË«ÂÝÐý½á¹¹£¬DNA·Ö×ÓÉϵÄһЩƬ¶Î£¬¾ßÓÐÌض¨ÒÅ´«ÐÅÏ¢£¬Äܹ»¾ö¶¨ÉúÎïÌåµÄijһÐÔ×´£¬ÕâÑùµÄƬ¶Î½Ð»ùÒò£®Òò´Ë¿É½«Ï¸°ûºË¡¢È¾É«ÌåºÍ»ùÒòÖ®¼äµÄ¹Øϵ±íÊöΪ£º»ùÒòÊÇDNA·Ö×ÓÉϾßÓÐÒÅ´«ÐÅÏ¢µÄƬ¶Î£¬DNAÓëµ°°×ÖÊ×é³ÉȾɫÌ壬ȾɫÌå´æÔÚÓÚϸ°ûºËÀ
£¨3£©µ±¿ØÖÆijÖÖÐÔ×´µÄÒ»¶Ô»ùÒò£¬Ò»¸öÊÇÏÔÐÔ¡¢Ò»¸öÊÇÒþÐÔʱ£¬Ö»ÓÐÏÔÐÔ»ùÒò¿ØÖƵÄÐÔ×´²Å»á±íÏÖ³öÀ´£»´ËÈ˵ĻùÒò×é³ÉÊÇAa£¬ÒþÐÔ»ùÒòa¿ØÖƵÄÐÔ×´²»±íÏÖ£¬Òò´Ë´ËÈ˵ÄÐÔ×´ÊÇË«ÑÛƤ£»Èç¹û´ËÈ˺ÍÒ»¸ö»ùÒòÐÍΪAaµÄÈ˽á»é£¬ËûÃÇËùÉúºó´úµÄÐÔ×´Çé¿öÈçͼËùʾ£ºÒò´ËËûÃÇËùÉú×ÓÅ®³öÏÖµ¥ÑÛƤµÄ¼¸ÂÊÊÇ1/4£®
£¨4£©µ±ÒþÐÔÖ²¡»ùÒòºÍÕý³£»ùÒòÔÚÒ»Æðʱ£¬ÒþÐÔÖ²¡»ùÒò¿ØÖƵļ²²¡²»±íÏÖ£¬Òò´Ë´ËÈËÊÇÕý³£µÄ£»ÒªÏëÈ·±£´ËÈ˵ĺó´ú²»»¼¸Ã»ùÒò¿ØÖƵļ²²¡£¬ÓëËû£¨Ëý£©½á»éµÄÈËÓ¦¸Ã²»Ð¯´ø´ËÖ²¡»ùÒò£¬¼´Æä»ùÒò×é³ÉÓ¦¸ÃÊÇAA£¬ÕâÑùµÄÈËÓ¦¸ÃÊÇÓë´ËÈËûÓÐÇ×Ôµ¹ØϵÇÒ¼Ò×åÖÐÎ޸ò¡Ê·µÄÕý³£ÈË£®
¹Ê´ð°¸Îª£º£¨1£©DNA
£¨2£©»ùÒòÊÇDNA·Ö×ÓÉϾßÓÐÒÅ´«ÐÅÏ¢µÄƬ¶Î£¬DNAÓëµ°°×ÖÊ×é³ÉȾɫÌ壬ȾɫÌå´æÔÚÓÚϸ°ûºËÀï
£¨3£©Ë«ÑÛƤ£»²»Ò»¶¨
£¨4£©Õý³££»C£»
![](http://thumb.1010pic.com/pic3/upload/images/201011/98/b968584e.png)
![](http://thumb.1010pic.com/pic3/upload/images/201204/49/b256ea4e.png)
£¨2£©Ï¸°ûºËÄÚÄܱ»¼îÐÔȾÁÏȾ³ÉÉîÉ«µÄÎïÖʽÐȾɫÌ壬ÓÉDNAºÍµ°°×ÖÊ×é³É£®DNA·Ö×Ӻܳ¤£¬ÊÇË«ÂÝÐý½á¹¹£¬DNA·Ö×ÓÉϵÄһЩƬ¶Î£¬¾ßÓÐÌض¨ÒÅ´«ÐÅÏ¢£¬Äܹ»¾ö¶¨ÉúÎïÌåµÄijһÐÔ×´£¬ÕâÑùµÄƬ¶Î½Ð»ùÒò£®Òò´Ë¿É½«Ï¸°ûºË¡¢È¾É«ÌåºÍ»ùÒòÖ®¼äµÄ¹Øϵ±íÊöΪ£º»ùÒòÊÇDNA·Ö×ÓÉϾßÓÐÒÅ´«ÐÅÏ¢µÄƬ¶Î£¬DNAÓëµ°°×ÖÊ×é³ÉȾɫÌ壬ȾɫÌå´æÔÚÓÚϸ°ûºËÀ
£¨3£©µ±¿ØÖÆijÖÖÐÔ×´µÄÒ»¶Ô»ùÒò£¬Ò»¸öÊÇÏÔÐÔ¡¢Ò»¸öÊÇÒþÐÔʱ£¬Ö»ÓÐÏÔÐÔ»ùÒò¿ØÖƵÄÐÔ×´²Å»á±íÏÖ³öÀ´£»´ËÈ˵ĻùÒò×é³ÉÊÇAa£¬ÒþÐÔ»ùÒòa¿ØÖƵÄÐÔ×´²»±íÏÖ£¬Òò´Ë´ËÈ˵ÄÐÔ×´ÊÇË«ÑÛƤ£»Èç¹û´ËÈ˺ÍÒ»¸ö»ùÒòÐÍΪAaµÄÈ˽á»é£¬ËûÃÇËùÉúºó´úµÄÐÔ×´Çé¿öÈçͼËùʾ£ºÒò´ËËûÃÇËùÉú×ÓÅ®³öÏÖµ¥ÑÛƤµÄ¼¸ÂÊÊÇ1/4£®
£¨4£©µ±ÒþÐÔÖ²¡»ùÒòºÍÕý³£»ùÒòÔÚÒ»Æðʱ£¬ÒþÐÔÖ²¡»ùÒò¿ØÖƵļ²²¡²»±íÏÖ£¬Òò´Ë´ËÈËÊÇÕý³£µÄ£»ÒªÏëÈ·±£´ËÈ˵ĺó´ú²»»¼¸Ã»ùÒò¿ØÖƵļ²²¡£¬ÓëËû£¨Ëý£©½á»éµÄÈËÓ¦¸Ã²»Ð¯´ø´ËÖ²¡»ùÒò£¬¼´Æä»ùÒò×é³ÉÓ¦¸ÃÊÇAA£¬ÕâÑùµÄÈËÓ¦¸ÃÊÇÓë´ËÈËûÓÐÇ×Ôµ¹ØϵÇÒ¼Ò×åÖÐÎ޸ò¡Ê·µÄÕý³£ÈË£®
¹Ê´ð°¸Îª£º£¨1£©DNA
£¨2£©»ùÒòÊÇDNA·Ö×ÓÉϾßÓÐÒÅ´«ÐÅÏ¢µÄƬ¶Î£¬DNAÓëµ°°×ÖÊ×é³ÉȾɫÌ壬ȾɫÌå´æÔÚÓÚϸ°ûºËÀï
£¨3£©Ë«ÑÛƤ£»²»Ò»¶¨
£¨4£©Õý³££»C£»
![](http://thumb.1010pic.com/pic3/upload/images/201011/98/b968584e.png)
µãÆÀ£º´ËÌ⿼²éÁËϸ°ûºËÖеÄȾɫÌåÒÔ¼°»ùÒòµÄÏÔÒþÐÔÓëÐÔ×´µÄ±íÏÖ¹Øϵ£®
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿