Tiêu đề 8b-Dap-an-De-thi-Sinh-hoc-CSP-2024.pdf ✅

eg crAo DUC vA DAo r4o TRUoNG DAr HOC SU'PHaM HA XOI xi, rm ruyEN sINg t-6p to rnuoNc rspr cnuytN oAr Hec srJPHAM Nnu zozl DE CHINH TH[,C oAp AN va rueNc orEur rrON rsr: sINH Hec Ciu Dip:in Di m (liiu I )< Gen ,4 duoc su dung ldm d6i chirng. n ); ll Giii thich: Theo gii thi ve protein cia cec gen hi6n nghi ddu bi6u !en genA duoc b u h 9n (f ca mo n-tuc do b mARN en cuu dugc SO siinh v0l muc d6 h cua gen A. n )\ b Gen X c6 th trong t6t cd nghi€m. e I) uan det'l ua f nh duon Iian ua q tri I'I h an q p q duong ph rC bno SO ng a gen X du0c Ir en () ti ca cac n1 o tron 0,5 Gen Z lit gen mi h6a insulin vi gen ndy chi b eu h en o tuyen tuy. I (1,5 didm ) c Thol d e t't1 v t'11 u a SAu an 3 0 h u hatn d troI'] maLI cao l')e t1 p ugng uong tan c u()II8 b c LI h t1 gen ma II S LI II c h Llven h6a ucozo thdnh g C 0gcn du tr[i tron il II a c0 n )t trC t)o?n a c h ch LIA ax t an1 n la d I th ol t16I'I mach ma chua r p et x C 5 [Io-n un ma b ba n nt RN a ( g o 5 GX U 3 ) tAttN lTlat'l ax t a n1 n il h atr a d ch ma co rh6 co b0 ba t1'la a 3 xG 5 0.5 ) (1,0 -.i dlem ) b Trinh tu axit amin cta doan Qld: Pro- Val - Ala - Arg - pro _ Arg_ pro _Arg - Arg - Val. (Hpc sinh c6 thd s.uy luQn ti mach khu6n sang ruAEN vd xdc dlnh md bQ ba quy dinh ait amin, ndu d ngvdn cho diim kii da, Dua vdo bdng quy dinh axit XAA-5') qu 5'-) quy dinh !nh di so ugn axl t am t1 h u du-o. c co th xac d cac tr p ct uon ung tr et t XG 5 ) LI d nh ax t am t') D ') q v tr p et 3 v d n h 3 tr et J GGT 5 u I'1 h Pro .1 p q v 3 TXT a\ t l') Ar 0,5 Ciu 2 1,5 I (0,s drcm) - H6i chung Tocno: NST gioi tinh XO - H6i chring si0u nt: NST gidi tinh XXX - H6i chfng Claiphento: NST gidi tinh XXy - H6i chring si6u nam: NST gidi tinh XYy (HS chi trti ldi rlrtng l/3 th€ dQt biiin tluqc 0 diiin, trd ldi dtt C6c di bQi li6n quan cl n NST gidi tinh d ngudi: ng 2/3 dno. c 0,25 didm, 0l dfi )/) 0 dia j nl 0,5 u gen s6 NS NST rh uong rhuong l'11 ang nh nen d0t b th uon a c lr t. n tru T nhd thay d luo. ng d ciic NST ndy ft nhu NST l3 18,21,.. 0,25 ol o l1 guol c h co h en bat NST x xa ra o tl tuon v u o h oac cac th d 111 t1h eu h0n NST o t t1h x 2 (0,s didm) di toi lL di lo NST chLT a L' n t'teI1 b0 N ST a n h hu(}n h h I ro da d6r bi t1. 0,25 l Nguydn nhin: do i loan gidm phAn II cta 0,2s Trang 113 xey bi6u thi n )i h6a a. chi ) d6i amln: Ala; Val; ) va triplet amt hoat tinh I lt )
(0,s dii)m) Boi vi t c cac l')h eIl-l sac Y phni HS co he lrd loi Iheo L'oc khdc, neu diln tu n€n nam XYY ld su thu tinh cta tinh trirng YY v6i trr?ng X vdn cho di4m fii da 0,25 Ciu 3 1,0 0t Pz (HS lud dI auv u1lt phlt ll ly llcn h do e II an tr6n NST th u0'n quy d nh ) ouv uoc b nh rh u0n ro hoAn toan S o quv d nh bInh P b In u vun cho eln t6 aa,l I 0,25 o,5 diAm) l0'l be (HS lc dn auv uat truv e rl t tinh/Quv u at phan v Il6n h a do gen ln t16n NST x vu n kho n tu0n alon q uy dlIl h ) Qu v uoc b n h rhucm ro hc)an toan xa quv d nh t'lh a b LI t1 t'0 u h h ('ho dietlt k; 0,25 gen2/3 PrP2: ll3 PPt 4 sinh con trai l0 m6c PPt ld2l3x2/3 = 4/9. b€nh P: sc6 iu6 ki Bo nt q d ho.p S n h ra n uot So 7 b nh th u(,n t k eu N IIol so 8 b l1 h rh uon co bo t't1 d ho. p IT) I J va bet')h P n en co t e k c LI cll 2/3 P P) l3 P Do do xac S ua chon 7 a 8 SInh coll eu X6c uol Qt Y; gudi e N S o 7 co k Qt Qz b6nh () c g n X n 8 co k e u X s ua s nh coI1 tra kh6 an Qt ng Il'l a et1 b0nh (x Y) a /2 x l2 4 0,25 (0,5 diAm) 1 xac suat S nh coll dil LI on a co n tra kh6n man a en gav bI n h P a khot') 1nan a cn gitv benh a cua cap 7 a 8 a 4/9 4 t9 Chi tinh xAC Sual ve b nhPho cb nh 0,25 di6m 0,2 5 Ciu {. 2 0 ol ot 0l tr0 u,y R u h c ') sp ap e t1 c() t inh binh thuong mir do ) k U h nh grol nh b lth huon so c h uven do t nh n1 at d6 SO o ula trrng o uoc ,1 k eu h llh b t')h th uong, 0 chuven d6 o I)h B mat do b II a tran 0,5 I (t,0 0tem ) b - TLKG cta Fr (lAA: 2Aa: laa) (lXBXb : lXbXb : lXBy: lXby). - Vi c6 thti c6 KC aaXbXb, aaXBXb b6t thu do d6: rudi c6i Fr c6 ti lQ kii.iu gen: (l / 3 A A :2 / 3 Aa)(l / zXB Xb : I I 2XbXb) FrxFr:(l/3AA:2/3Aa)(t/2XBX':t/2Xbxb)x(l/4AA:2 /4Aa:t/4aa)(tl2XBy: t/2Xby ) Grr: (213A: l/3a) (l/4XB: 3/4Xb); (t/2A: t/2a) (14X8: t/4Xb: t/2y) Fz: (l/3AA: llZAa: ll6aa) (l/l6XBXB: l/4xBxb: 3/l6xbxb: l/8XBy:3/gXby) TLKH Fz: 17 /96 duc d6: t3 t3Z duc tring: 25/96 c6i d6: 5/32 c6i tring. Ti le KH F2: 7 tI6: 9 tring 0,5 Sa_u m6t vdi rh6 he ban diu ti lQ hoa rring tang do hifn tuon rn6i th6 h6 ti lg ki6u gen di hsp (hoa h6ng) gidm l/2, li lQ ki cl6 vd hoa trAng) rang. $ tu thu phdn nen qua 6u gen d6ng hop (hoa n )t Ong dutrc dua vdo d th6 hC F, (th6 he 2) 0,25 2 (1,0 dlcm ) c hi J th C h TTI th h Fl quil I1 rhc kh6l1 tha n ao han iti 16 cric kieu gen, chL?ng td c6 n ); Trng2/3 Pr rhich di xal so vol van gen o I I a. - So dd lai: p: AaXBXb x Aaxby Fr: (lAA: 2Aa: laa) ( IXBXb ; lXbXb : lXBy: lXby) - Tj lQ Fr c6 kiiiu hinh con ilyc mit tring ld: XbY + aa XbXb = l/4 + l/4 x l/4 = 5/16 cal di tr6i a.
b Co so khoa hoc: C:ic tiic nh6n vAt ch6t di truydn, c6 thti ldm gay xu6t hi n mdu hoa nr6i ol dat b en ( at h6a hQc S nh hqc) tec dong l6n h en alen Ill quv d nh ntau sac hoa, alTl xu6t Lllu:) t,5 I (0,s dEm) Vai trd: Teo c6 khri ndng quang hqrp d6 t6ng hqp n6n ch6t hiru co, mddAu chu6i thr?c in ) truc ti6p hodc gidn ti6p cung c6p c6c hqp chdt hiiu co cho c6c sinh v6t khric trong h6 sinh thrii. (HS chi trii ldi: Tito ld thtlc dn cia dc s€n, hdu, trai, cd clu(.rc 0,25 diim). T6o t trong hC sinh thrii lA sinh vdt sin x 0,5 1 (0.2s dtem) au T Chim 6cs 0,2 5 Sinh vdt bic dinh du6ng 2 (sinh v6t in sinh vit sAn x ) s6n, hAu, trai, c6. n )t C h t)-l a bac d llh duon cao t trol') hc S inh rhli nen n') UC nan uon pnh 0,25 J (0,7s -.,.' dtem) tt din tho6 chd N a II ugng du9c truv bac d n h d uon p o bic h duon cao Can en bac d nh duC)n cao rh I'Ial'l uot-l can am do phin on nan ugng b rh6 t o h n h t tha cac hin (h ap tao d0n vat, p ro rung ch phan n ho nan ugn dugc c h uven elt bac dinh duon o hon n )t Ciu 6 I,S u tAp trung d tin nmg d0 cao 2m, chi Do d6, 6A ld h6 sinh th6i sa dl9n ich a 6.4: ndng S inh chu mac. t) ); 68: ning tap trung o Lin rtng d6 cao l8-27m, n6n 68 ld h6 sudt sinh khol chtv sinh thrii 0,2 5 o c6c trin rung tir d6 cao 3-27m, n6n 6C nh 6C: ning suat sinh ki sinh th6i rirn i phdn bo kh6 d d6i. 0,25 I (1,0 dtem) dQ cao I -l . oong co. t6n diQn tich (HS d ng rc inh hd 1/2 dia 6D nang S s t') h kho C h u u trun (, tap rung ch :l cao hcrn h e S rlh rh 6A Do d6 6D a he S nh thd ch x0c h he s rluqc o m) 0,25 FI6 sinh thrii 6C (rung nhiCt doi) c6 d0 dinh cao t. n )i 1 (0,s drcm) cao lJo th uc an phuc tap, nh u oa co al trd co b el'l dIII m kh6ng/ dnh h ucrn 0,25 I{ET Trang3/3 n )i ki kim. -2m, Giii thich: DQ da dang lodi vd c6 th6 duo. c rhay rh6 khi chung