UBND HUY$ N DONG HY
TRUONGTHCST~ICAU
MA TRAN DE KIEM TRA GIUA Ki I
.NAM HQC 2022-2023
,
MON: SINH HQC-KH0l9
( ThcJ'i gian lam bai 45 phut, !ch6ng le§ thoi gian giao de)
N(>I
DUNG
V~ ND l)NG
TL
TN
M (re D◊ KIEN T H(fc
THONG HlEU
I TL
TN
N ~BlET
TL
TN
The nao la phep lai Nhfrng lc;>ai giao tfr Bai t~p lai m9t c~p
phan tich?
nao c6 th~ t?O ra tinh tr?ng.
duqc tu ki~u gen
AaBb
1. Lai m{H
c~p tinh
tqmg
3 CGU = 3
a=30%
1 cdu =
2d= 20%
1 cdu=
0,5d
=5,0%
theo
1 cdu =
0,5d
5.0%
Cac ki cua qua trinh
giam phan 1
1. Phan
bao
Trinh bay nhfrng
diSn biSn CO' ban cua
NST a cac ki cua
nguyen phan
dung tr~t t\l' nao?
B9 NST 2n = 14 la
cua loai
I cdu = 2
di§m =
20%
10% 3cdu =3d = 2 cdu = id
30%
2. CO' che
xac djnh
gio·i tinh
/.. Ch9n cau tra loi dung
khi n6i vS d~c di~m
cua NST gi&i tinh
1 cau=0,5 a
5%
3.ADN
I cdu =
osa=
,
5%
tti ADN
Tren phan
chiSu dai cua 1 chu ki
,
la bao
vong xoan
nh ieu
- - - -
Hay vi et do~n m~ch
don bf> sung d~ t~o
tu
thanh
ADN hoan ch inh .
- -
- -
1 c611=
2 ti= 20%
o, 5 a= 5%
Chuc
nang cL1a
phan
0~c diem chung ve
~6u t?o cL1a AND,
ARN la gi?
1 cau =
- - - -
2 cau = 2,5 1 cau =
(1=35%
4. Moi
quan h~
gifra gen va tARN.
1 cau=
ARN
2 cau= 1
UB~ HUYI;:N DONG l lY
TRUONG THCS TR~I C'AU
o i,~ 1