!#$%2024—2025&'(())*+,-.$%/0&·12+1~1634,53436,7486。1.12 B849: !#$%&'()*,+,-./0123456'1789:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> !#$%&'($,)*+,$,-#./0123)+,$,A456;789:3;*<=>,B4?@;!#$ABCDE012FGH,ICJK)*L!#$MN>OGFP7,C456;QR!#$S#.TU*BVW,IXVYZ[\]F^_`abc,D456。2.12 D849: !#MPQ()*,+,/0M1RS5TA9:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> EdefgJKh,EgJKiFfjih,XVYJKhLJKiklmdnoF“pq”,A456;irjsRihFEh^t,XuvwJKiFxy/Oz{<,|ih}E~,irjvwJKixyFA*,B456; X,irjLJK,|JKLJK,C456;irjLF,-HirjFd3% ,3;*¡¢£¤AFVW,D4?@。3.12 B849: !#UAVW234()*,+,ATP1XY:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> ¥¦§¨F©ª«¬*ATP®H,①?@;¯GVW/§¨VW®HATP,IJKEFATP°±JK§¨²¯GVW,②56;LCa2+³´9:Fµ7¶%µ7%ATP ,X·¤ATP¸¹Yº9:Ca2+»¼A½¾±¿À®Á¤,③56;JKEATPF)½Ã|{<,JKEATPLADPĤÅÆFÇÈLJKÉÊËÌÍ5,④?@;ATP¸¹ÎÏFÐmÑ*ADP,|ADP%Á¤Gm,⑤?@;ATP%JKEFÒÓAÔmd,AYKÕ/KÖ»¼A½,⑥56。IB4×G Ø。4.12 C849: !#Z[\]^_4`a5b>c1defg()*,+,_46'1hi9:;,<=+,+>1?@AB5fgjkAB,#E>FGH、IJKL5IJjk1MN'O。;<=> ÙmFÚÛXuGHÜÝÂ,AGHºÞ($,ßàáXuaÙm7Fâ_ãsGH,A4?@;QRäåæ7%ÜÝÂP7çèé,êuëäåæ7ìíî½FÜÝÂ,ÜÝÂ3AÀïVW,B4?@;ðX,ñòóô,õ®éö÷øF®ùúÇ,XuûüýѨþÿ!F¸,˺#ñFA,C456;ä$%F±æ½%ö÷ø&'F('(ÜÝÂP7F*¥),B±æ½)W*“+,-.”,D4?@。5.12 C849: !#/0lmno()*,+,pqrs、/0rs9:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> QRBJKLº/0F1-kl;*MN>,êu32('BJK3FBCR%32F,A4?@;CD40L%£¤4F56>TJK7FH>,856>TJKa£¤9XA*ä,B4?@;—1—书^:;-7LBJKÓ<%£¤BJKF©^_=,56>TJK7M<>À®æ¤LBJKOG%£¤BJKF©ª_=,C456;BJK?¤xHFJK*@ABJK/BJK,@ABJK;*/01-FA,äJK3}*BCR,D4?@。6.12 B849: !#tuv()*,+,wxyz{21XY:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> ûðÑX,C(DEFG½HR150I,ä(DFJIù½YKL,ù8ôMä(DNXA}OP,A456;(DG½Q!I(ERSQ(T,UVQWc,ä(DFJIù½QX,Yä(DFùÅÆQX,-(DG½3%Q!F,êu(ERS3%Q(TF,B4?@;Cä(DFEFG½XR600I,ä(DFJIù½YKL,Z¾ºG½ô¡,C456;C(DG½[XRKLI,}\Z]^_Ï^<`Fab,c|\ZKLô¡,D456。7.12 A849: !#|}~()*,+,> 1、Az5>49:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> defghijI,Xûij7Eklãmnmd/A½,o(MpFklmnmdFqr%ºL®s]^îtFOu,YdefX®ùamnmdSvúwxF]^Ñ,-º®y£´êzA½{%³|°±¯GVW,A43G.,B4G.;def}¤8ÑF ~R,a9z|W7,C4G.;defu* Fghij,7*¤X(l,vw®yFL{<,D4G.。8.12 D849: !#5>v()*,+,>425>29:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> X,%^´m,(DG½úÃ,8,äE(DFG½XAY“S”xù,A456;ð1X,/£´Il32,ð2X,a3) F¡Y¢vXR,|£3) F¡Y¤¥,8¦(a§ F¨©3À®*®ys¤,B456;/F£´Il¬Wª*«N,o%¬2c¤FOu,C456;ðX,Ñ12c,£´Ë`¢,NXAÛR®¯y,8Iº7E°¯±($F¸3}NW,D4?@。9.12 B849: !#@ '()*,+,¡>41¢5£O9:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> a²³´Ñ,µF¤BBq,}ЮX½)*¶d$F·¸,¸¤Û.}¾WX½¤¹º,»U¼ Xu½¾>£¡¹¶d$,û|¡¢¤¹ºF¾W½,A456;W¿¡¹¶d$FÀÁ()*¼ )A·¤¸Âá¹,8aÄnà3®ùFÅÀÝÆÇ}ÈXH3F¥ÉÊË,B4?@;$%Ñ,Ó(]¾W94Ì|c¡ÍÎOÀ,C456;QR¸ÂÃ%)Ï*Ðm,ÄnàѶd$3%Ñ^ÏÔ,8kÎFÒFÀ3^1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> Y*kÎ1PD-L1FÅÓÔ17,ëHÕÖ×FM<1-%ØÙJK3FPD-L1,A456;ðÚ①g\JKÛGFq,*PEGÛG,、ÜÛG,/O£;Ýg\,,ºÑO£;Ýg\,ÞîWRg\´mJKÛG,B4?@;③SßnÙJKc¡ÓÔ¤Än/17àá,â½kÎFÌ%AM<17FJK,C456;1PD-L1-ADCãäR1PD-L1ÅÓÔ17LØÙJKMN>OG,D456。—2—11.12 D849: !#/0®¯v()*,+,°±1XY:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> ûðÑX,CyclinBalåæFGH,A4G.;ðX, 7Açè$¤FMPF¡¹,B4G.;ðX,MPFF)½saÆå>æ¤,äÑsaK¥é,C4G.;ðX,APCaÑåêÁ¤(£,aG14å,ë(£FAPCMÁ¤HY(£FAPC,Ia9å,APCêÁ¤(£,D43G.。12.12 C849: !#²6³´µ¶1·¸{2v()*,+,¹º1»>51XY:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> ûðÑ③UVX,ìí,°îïF%B>ìíðd,ìí,îïìíðdFqrYKÖ,A456;QñÜsFsaX,ò(Ë`}óô´VÜsFxH,ðX,ò(õÆAóô´VÜsFxH,B456;Na+X½Eo%\ZðÑ②UV3öF-,-䫬JKhSºÞ÷>*øÊ>,C4?@;ðÑ②UVªLFXHXlùRh¦tNa+Fú`«,-Lò(Ë`*ÒÓ,D456。13.12 C849: !#¼½¾¿»>1ÀÁwÂ()*,+,Ãy±5ÄÅÆ1XY:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> °uûFéYAaBbXDXd,ºAЮ8(ü>,-vý32,sA/a、B/bsR^S2ÔþÉ73,QR)ABXD、ABXd、abXD、abXdFü>ÿ¢!ü>F3/16,c^A/BsR^#þÉ73,a/bsR$^#þÉ73,°uûa+GÑXÀ®2('éF%,YþÉ7&'é/±QGé,$f,sA/a、B/ba(µ33)*F±QG<+,A、B¦456;QRàuûFsA/a、B/b;7,-.,êuàuûЮ4(ü>,XA%ABXD、ABY、abXD、abY²AbXD、AbY、aBXD、aBY,C4?@;/30,°Ð®F8(ü>YABXD(3/16)、ABXd(3/16)、abXD(3/16)、abXd(3/16)、AbXD(1/16)、AbXd(1/16)、aBXD(1/16)、aBXd(1/16),àЮF4(ü>YABXD(1/4)、ABY(1/4)、abXD(1/4)、abY(1/4)²AbXD(1/4)、AbY(1/4)、aBXD(1/4)、aBY(1/4),°/ànü,>É1>Ñ2G>ê¢výY(3/16)×(1/4)×2+(3/16)×(1/4)×2=3/16²(1/16)×(1/4)×2+(1/16)×(1/4)×2=1/16,D456。14.12 A849: !#ÇÈ1½ÉÊ()*,+,Ãy±、ÄÅÆEËÌlÍ1XY:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> 34>X5¸6±n,>ÉÑ4>X5Á∶4>35Á=13∶3,13∶3%9∶3∶3∶1Fær,Q8X,ä4>X5ÙÁFéYAaBb。7A%35,BBAF,¤ä4>X5ÙÁ±n,>ÉÑ4>X5Á∶4>35Á=13∶3,①G.;7A%35,bBAF,¤äÙÁY4>35,3A±n,②3G.;7a%35,BBaF,¤ä4>X5ÙÁ±n,>ÉÑ4>X5Á∶4>35Á=15∶1,③3G.;7a%35,bBaF,ä4>X5ÙÁ±n,>ÉÑ4>X5Á∶4>35Á=13∶3,④G.,IA4×G Ø。15.12 B849: !#ËÌÎÏ()*,+,ËÌlÍ1XY:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> piRNA-Piwi8Gm»EF9:X\Z®mF>¯À®;æ,-º(µ;æ,~R<(µF=>,A456;û X,AçmRNA¡¹F%i ,?piRNA-Piwi8Gm,B4?@;aÄ@¸3,piRNA-Piwi8GmXuOGÏFA´>B,YRNACG /0/OGFDNA¬,C456;^D-.ô,Ä@|°FRNAÑÞ*mRNA3*EFGÂFF>,D456。—3—16.12 C849: !#ËÌ=ÐÑpÒ1Óv()*,+,ÄÅÆ5>4{1XY:;,<=+,+>1?@AB5@CDAB,#E>FGH、IJKL1MN'O。;<=> ssR2ÔþÉ7F2sH3,¸B^SS>¯,ÙÁàFR/r3a^S2ÔþÉ73,Q8IJÙÁàYæNÙÁ,A456;ðÚæNYþÉ7OzæN,äæNAY®mc¤»¼-KL,B456;7ÙÁàc¡±n,PMN*(1/4)×(1/4)=1/16FZOÆ,PMNÑ)RF¢12/16,¤>ÉÑÅ®P∶Q®P=(12/16)∶(1-1/16-12/16)=4∶1,C4?@;ðÚþÉ7OzæNXAÀ®a+GÑ,
天一大联考2025届高三四省联考(陕晋青宁)生物答案
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