·ÖÎö ·ÖÎöÌâÎÄ£º¹ûÓ¬µÄÑÛÉ«ÓÉÁ½¶Ô¶ÀÁ¢ÒÅ´«µÄ»ùÒò£¨A¡¢aºÍB¡¢b£©¿ØÖÆ£¬ÆäÖÐB¡¢b½öλÓÚXȾɫÌåÉÏ£®AºÍBͬʱ´æÔÚʱ¹ûÓ¬±íÏÖΪºìÑÛ£¬B´æÔÚ¶øA²»´æÔÚʱΪ·ÛºìÑÛ£¬ÆäÓàÇé¿öΪ°×ÑÛ£¬ÔòºìÑ۵ĻùÒòÐÍΪA_XB_£¬·ÛºìÑ۵ĻùÒòÐÍΪaaXB_£¬°×Ñ۵ĻùÒòÐÍΪA_XbY¡¢A_XbXb¡¢aaXbY¡¢aaXbXb£®
·ÖÎöÌâͼ£ºÇ×´úȫΪºìÑÛ£¨A_XB_£©£¬ºó´ú´Æ¹ûÓ¬ÓкìÑۺͷۺìÑÛ£¨aaXBX-£©£¬ÐÛ¹ûÓ¬ÓкìÑÛ¡¢·ÛºìÑÛ£¨aaXBY£©ºÍ°×ÑÛ£¨__XbY£©£¬Òò´ËÇ×±¾µÄ»ùÒòÐÍΪAaXBXb¡ÁAaXBY£®
½â´ð ½â£º£¨1£©ÓÉÒÔÉÏ·ÖÎö¿ÉÖª£¬Ç×±¾µÄ»ùÒòÐÍΪAaXBXb¡ÁAaXBY£®
£¨2£©Ç×±¾µÄ»ùÒòÐÍΪAaXBXb¡ÁAaXBY£¬F1´ú´Æ¹ûÓ¬Öд¿ºÏ×ӵıÈÀýΪ$\frac{1}{2}¡Á\frac{1}{2}=\frac{1}{4}$£¬Òò´ËF1´ú´Æ¹ûÓ¬ÖÐÔÓºÏ×ӵıÈÀýΪ1-$\frac{1}{4}$=$\frac{3}{4}$£®F1´úÐÛ¹ûÓ¬µÄ»ùÒòÐÍΪAAXBY¡¢AaXBY¡¢aaXBY¡¢AAXbY¡¢AaXbY¡¢aaXbY£¬Òò´ËÐÛ¹ûÓ¬ÄܲúÉú6ÖÖ»ùÒòÐ͵ÄÅä×Ó£¬¼´AXB¡¢aXB¡¢AXb¡¢aXb¡¢AY¡¢aY£®
£¨3£©´ÓF1ÖÐÑ¡³öºìÑÛ´ÆÓ¬£¨$\frac{1}{3}$AA¡¢$\frac{2}{3}$Aa¡¢$\frac{1}{2}$XBXB¡¢$\frac{1}{2}$XBXb£©ºÍºìÑÛÐÛÓ¬£¨$\frac{1}{3}$AAXBY¡¢$\frac{2}{3}$AaXBY£©¸÷Ò»Ö»½øÐÐÔÓ½»£¬ËùµÃ×Ó´úÖзۺìÑÛ¹ûÓ¬£¨aaXB_£©³öÏֵĸÅÂÊΪ£¨$\frac{2}{3}¡Á\frac{2}{3}¡Á\frac{1}{4}$£©¡Á£¨1-$\frac{1}{2}¡Á\frac{1}{4}$£©=$\frac{7}{72}$£®
£¨4£©¹ûÓ¬ÌåÄÚÁíÓÐÒ»¶Ô»ùÒòT¡¢t£¬ÒÑÖªÕâ¶Ô»ùÒò²»Î»ÓÚ2ºÅȾɫÌåÉÏ£®µ±t»ùÒò´¿ºÏʱ¶ÔÐÛ¹ûÓ¬ÎÞÓ°Ï죬µ«»áʹ´Æ¹ûÓ¬ÐÔ·´×ª³É²»ÓýÐÛ¹ûÓ¬£®ÎªÁË̽¾¿T¡¢t»ùÒòÊÇ·ñλÓÚXȾɫÌåÉÏ£¬Èô¿ºÏºìÑÛ´ÆÓ¬£¨TT£©£¨AAXBXB£©Óë²»º¬T»ùÒòµÄ´¿ºÏ°×ÑÛÐÛÓ¬£¨tt£©£¨__Xb Y£©ÔÓ½»£¬
¢ÙÈôºó´ú´Æ£ºÐÛ=1£º1£¬ËµÃ÷ûÓз¢ÉúÐÔ·´×ªÏÖÏ󣬴ƹûӬûÓбä³ÉÐÛ¹ûÓ¬£¬ÔòT¡¢t»ùÒòλÓÚXȾɫÌåÉÏ£»
¢ÚÈô ´Æ£ºÐÛ=3£º5£¬ËµÃ÷Óз¢ÉúÐÔ·´×ªÏÖÏ󣬴ƹûÓ¬±ä³ÉÁËÐÛ¹ûÓ¬£¬ÔòT¡¢t»ùÒòλÓÚ³£È¾É«ÌåÉÏ£®
¹Ê´ð°¸Îª£º
£¨1£©AaXBXb AaXBY
£¨2£©$\frac{3}{4}$ 6
£¨3£©$\frac{7}{72}$
£¨4£©¢Ù´Æ£ºÐÛ=1£º1 ¢Ú´Æ£ºÐÛ=3£º5
µãÆÀ ±¾Ìâ½áºÏͼ½â£¬¿¼²é°éÐÔÒÅ´«µÄÏà¹Ø֪ʶ£¬ÒªÇó¿¼Éúʶ¼Ç°éÐÔÒÅ´«µÄ¸ÅÄî¡¢ÀàÐͼ°Ìص㣬Äܸù¾ÝÌâÖкÍͼÖÐÐÅÏ¢ÍƶÏÇ×±¾µÄ»ùÒòÐÍ£¬ÄÜÔËÓÃÖð¶Ô·ÖÎö·¨½øÐÐÏà¹Ø¸ÅÂʵļÆË㣬ÊôÓÚ¿¼¸ÙÀí½âºÍÓ¦Óòã´ÎµÄ¿¼²é£®
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ±´ÀàºÍº£´ø·Ö±ðÊôÓÚ¸ÃÉú̬ϵͳ×é³É³É·ÖÖеÄÏû·ÑÕߺÍÉú²úÕß | |
B£® | º£ÑóÄÁ³¡ÊÇÈ˹¤½¨Á¢µÄÁ¼ÐÔÉú̬ϵͳ£¬IMTAÓÐÀûÓÚÎïÖʺÍÄÜÁ¿µÄÑ»·ÀûÓà | |
C£® | Ë®²úÑøֳҵΪ³ä·ÖÀûÓÃÉú²úÕßËù¹Ì¶¨µÄÄÜÁ¿£¬Ó¦ÒÔʳÎïÁ´³¤µÄÓãÀàΪÑøÖ³¶ÔÏó | |
D£® | ÍøÏäÑøÓãµÄÖÖȺÃܶÈÔ¶´óÓÚÒ°ÉúÖÖȺ£¬ÊÇÓÉÓÚÍøÏäÇøÓòµÄÉú²úÕßÊýÁ¿¸ü¶à |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ²»Í¬ºËÌÇÌåÖУ¬²»¿ÉÄÜ·Òë³öÏàͬµÄ¶àëÄ | |
B£® | ²»Í¬×é֯ϸ°ûÖУ¬¿ÉÄÜÓÐÏàͬµÄ»ùÒò½øÐбí´ï | |
C£® | ²»Í¬mRNA·Ö×ÓÖУ¬¿ÉÄܺ¬ÓÐÏàͬµÄÃÜÂë×Ó | |
D£® | ²»Í¬DNA·Ö×ÓÖУ¬¿ÉÄÜ´¢´æÓв¿·ÖÏàͬµÄÒÅ´«ÐÅÏ¢ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2015-2016ѧÄê±±´ó¸½ÖкÓÄÏ·ÖУ¸ßÒ»ÏÂÆÚÄ©ÉúÎï¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ
Èçͼ¼×¡¢ÒÒ¾ùΪ¶þ±¶ÌåÉúÎïµÄϸ°û·ÖÁÑģʽͼ£¬Í¼±ûΪÿÌõȾɫÌåµÄDNAº¬Á¿ÔÚϸ°û·ÖÁѸ÷ʱÆڵı仯£¬Í¼¶¡ÎªÏ¸°û·ÖÁѸ÷ʱÆÚȾɫÌåÓëDNA·Ö×ÓµÄÏà¶Ôº¬Á¿¡£ÏÂÁÐÐðÊö²»ÕýÈ·µÄÊÇ( )
A.¼×¡¢ÒÒÁ½Í¼Ëùʾϸ°û¶¼ÓÐ4ÌõȾɫÌå
B.¼×¡¢ÒÒÁ½Í¼Ëùʾϸ°ûËù´¦µÄʱÆÚ·Ö±ð¶ÔӦͼ±ûµÄBC¶ÎºÍDE¶Î
C.ͼ¶¡ÖÐaʱÆڿɶÔӦͼ±ûµÄDE¶Î£¬Í¼¶¡ÖÐbʱÆÚµÄϸ°û¿ÉÒÔÊÇͼÒÒËùʾµÄϸ°û
D.ÓÐË¿·ÖÁѺͼõÊý·ÖÁѹý³ÌÖÐϸ°ûÄÚÿÌõȾɫÌåµÄDNAº¬Á¿±ä»¯¾ù¿ÉÓÃͼ±û±íʾ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2015-2016ѧÄê±±´ó¸½ÖкÓÄÏ·ÖУ¸ßÒ»ÏÂÆÚÄ©ÉúÎï¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ
ÏÂÁÐÓйؼõÊý·ÖÁѵÄÐðÊöÕýÈ·µÄÊÇ( )
A.´Ó¾«Ôϸ°ûµ½³õ¼¶¾«Ä¸Ï¸°ûµÄ¹ý³ÌÖÐDNA¸´ÖÆ¡¢»ùÒò¼Ó±¶¡¢È¾É«Ìå¼Ó±¶
B.¾«Ôϸ°ûµÄÔöÖ³ÊÇͨ¹ýÓÐË¿·ÖÁÑ£¬¾«Ôϸ°ûͨ¹ýÁ½´Î¼õÊý·ÖÁѲúÉú¾«×Ó
C.¼õÊýµÚÒ»´Î·ÖÁÑ£¬Í¬Ô´È¾É«Ìå·ÖÀ룬ͬʱ·ÇͬԴȾɫÌå×ÔÓÉ×éºÏ
D.¼õÊýµÚÒ»´Î·ÖÁÑ£¬Í¬Ô´È¾É«Ìå·ÖÀ룬¼õÊýµÚ¶þ´Î·ÖÁÑ·ÇͬԴȾɫÌå×ÔÓÉ×éºÏ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | µ°°×ÖÊ | B£® | DNA»òRNA | C£® | Ö¬ÖÊ | D£® | ÌÇÀà |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2015-2016ѧÄê½Î÷½ðϪÏØÒ»Öиßһϵڶþ´ÎÔ¿¼ÉúÎïÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ
ÈçͼΪijµÍµÈº£Ñó¶¯ÎïÍê³Éij·´ÉäµÄ·´É仡ģʽͼ¡£ÏÂÁÐÐðÊö²»ÕýÈ·µÄÊÇ£¨ £©
A.a´¦½ÓÊÜÊÊÒ˵ĵç´Ì¼¤,b´¦Äܲ⵽µçλ±ä»¯
B.¢ÛÊͷŵÄÉñ¾µÝÖÊ×÷ÓÃÍê³Éºó¼´Ê§È¥»îÐÔ
C.ͼÖÐÓÐÈý¸öÉñ¾Ôª,a´¦ÐË·Ü´«µ¼µÄËÙÂÊ´óÓÚc´¦
D.¢ÙÄܽÓÊܸ÷Öִ̼¤£¬ÒýÆð¢ÚµÄ·´Ó¦
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com