De thi tuyen sinh lop 10 sinh hoc chuyen

DAI HQC TAN TO TRIJONG THPT NANG KHIEU DE CHiNH THU'C KI THI TUYEN SINH LOP 10 NAM HOC 2015 - 2016 MON THI: SINH HQC (CHUYEN) Ngay thi: 05/6/2015 Th gian lam bai: 150 phut Cau 1: (2 diem) Cho so do: ( ) Gen Z (2) ► inARN (3) r Protein a vi6t ten dm qua trinh Wong irng vai cac s6 thir to (1), (2), (3) b Tinh so lacing nucleotic timg loai dm gen Z Biet mARN tao tir gen Z CO Xm = 150, Um = 300, Am = 450 va Gm chiem 40% c Khi gen Z bi dOt Nen thay the mOt cap nucleotic tai 1:10 ba ma hod thir tinh tir bO ba m6 dau Hay du doan cac kha nang thay dui c6 the xay phan tir protein Cau 2: (2 diem) ru6i giant duc, bO nhiem sac the 2n,= dugc ki hieu nhu sau: AaBbDdXY a Tir mOt to bao sinh duc, xet mOt cap nhiem sac th ngtuo dong co ki hieu Aa Ket thilc qua trinh giam phan, thu dugc cac loai giao tir: A, aa, Giai thich co the hinh cac loai giao tir tren va cho biet tile dm moi loai giao tu? b Dua 'yap ki hien bO nhigm sac the 2n da cho, hay viet ki hieu 130 nhiem sac the dm cac dang: n, n – 1, n + 1, 2n 1, 2n + (Chu dang viet mOt tru6ng hop) t6 bao xay trao d6i cheo don c Xet mOt nhom to bao sinh due, qud trinh, giam phan, tai cap nhiem sac the so II Tinh loai giao toi da co the tao Cau 3:,(2 diem) mOt loai thuc vat, alen A qui dinh than cao trOi hoan toan so vai alen a qui dinh than thap; alen B qui, dinh hoa ,trOi hoan toan so vai alen b qui dinh hoa trang a Cho lai hai cay bo me chua biet !deli hinh, F1 thu throe ti le than cao, hoa trang : than thap, hoa trang vi6t kieu gen dia cay b6 me (Chu 57 khong can viet,so d6 b Truong hop gen qui dinh tinh trang chieu cao va mau sac hoa nom teen cac cap nhigm sac the tuang dong khac Trong mOt phep lai, the he F1 thu dugc 56,25% cay than cao, hoa Cho cac cay than cao, hoa dO, Fi lai vai cay than cao, hoa trang clung hop Trong so cac cay than cao, hoa tang F2, so cay c6 kieu gen Tong hop chiem ti 1e bao nhieu? Cau 4: (1 diem) ngued, tinh trang nhom mau dugc qui Binh bai cac kieu gen nhu sau: - IAIA hoac IAI° qui dinh nh6m mau A - IBIB hoac IBI° qui dinh nh6m mau B - IAIB qui dinh nhom mau AB - I°I° qui dinh nhom man a MOt cap vg ch6ng sinh duce ngtroi vai di] nhOm mau A, B, AB, Xac dinh kieu gen dia cap vg chong b Hay giai thich truong hop: vo CO nh6m mau AB, cheng co nhom mau nhung sinh trai co nhom mau O Cau 5: (1 diem) a ,Hi'0 nay, ngupi co the dung nhung bien phap thuat nao de cal tao dac tinh di truyen cua giong vat nuoi, cay tong? b Neu nhUng nguyen nhan phat sinh cac benh, tat di truyen a ngueri va mOt so bien phap han the phat sinh cac benh, tat Cau ,6: (2 diem) a Doi Wei cac loaf &Ong thuc vat c6 nguy co tuyet chimg, thi chimg to can c6 nhfing bien phap ho tro nao de tri su ton tai cua chung b Hien nay, viec sir dung phan bon hod hoc va thuoc bao ve thuc vat c6 xu htrOng gia tang trong, nong nghi'ep Dieu se: gay nhang halt qua gi cho moi truemgva sire khoe dia ngtred? Hay de xuat nhung giai phap de vua dam bao dugc nang suat cay trong, dong thei Van bao ve dugc moi tru6ng —Het-Ho va ten thi sinh: So bao dank