so cIAo Dvc
vA
EAo TAo
AN
GIANG
on rnr
cHeN Hec
srNH
cr6r cAp riNH
LoP
9 Trrcs
nAnn
zorc-zort
Kh6a
ry1203t20t1
wION
THr:
sINH Hoc
***
Bn
cHinn rHr.Ic
@t
sBp:.
(De
thi
g6m
0l trang,
c6 I cdu)
Cffu
1:
1Z,O
arcm
I
NCu d4c
ei6m c6u t4o
cria ruQt non
phi
hgrp
v6i
chric ndng h6p
thp ch6t
dinh du6ng. Tai sao
mQt ngudi
bi chtmg thit5u axit trong
da ddy thi hiQu
qud
ti6u h6a
o ruQt non
sE th6p?
CAu
2z
1Z,O
arcm1
HC
bdi
titit nudc
ti6u c6 c6u t4o nhu
thi5 ndo? Trinh
bdy
qu6
trinh tpo
thdnh nu6c ti6u 6 c6c
don v! chric ndng
cria thfn.
Cflu3:
Qf
die@
NOu cdu t4o h6a
hgc cria
phdn
tu ADN. Vi
sao ADN
c6 cdu t4o rdt
cta d4ng vd d4c thn?
'
Cffu
4:
(2,0
di€m)
K! thuQt
gen
ld
gi?
Trinh
bdy c6c khdu chinh
trong k!
thuQt
gen.
Ciu 5:
(3,0
di€m)
So s6nh sU
gi6ng
nhau vd kh6c nhau
gifa qu6
trinh nguy€n
phdn
vd
gi6m phdn
trong t6 bao
sinh vflt.
CAu 6:
(3,0
diAm)
ThC di bQi 1A
gi?
Trinh
bdy co chiS
ph6t
sinh vd h$u
qui
cria dOt bii5n th6 di
bQi.
CAu 7:
(3,0
diA@
Gi6 sri c6 mQt
qudn
xd sinh v4t
giim
c6c
loii
sinh vdt
sau: c6, th6, d6, chim 6n sdu, sdu
h4i
thyc vQt, h6, mdo
nlng, vi
sinh
v4t.
Hdy
chi ra trong
quAn
xd sinh vflt
tr€n c6 thO c6 nhflng
chu6i thric 6n ndo? VC ludi thric dn
cta
qu6n
xd sinh vQt
e16?
Cf,u 8:
(3,0
d)m)
BiCt 2
tinh tr4ng mdu
sdc
16ng,
kich thudc l6ng
0 ch6 do Z
cdp
gen quy
dinh. Hai cflp
gen
x6c
dinh 2
cflp tinh tr4ng ndy
t6n tai trex 2
alp
NST
thuong.
Dem lai ch6 l6ng
den, ngin-v6i
nhau
thi thu
dusc:
Wqf;r
"
89 con l6ng den,
trEhg;
3l con
l6ng
den, ddi;
29 aon l6ng
tring, nghn I I
con l6ng
trfng, ddi.
BiQn lu{n vd
vitit so dO lai.
n6t
Lruy: -
Thl sinh kh6ng duqc
mang tdi li€uvdo
phdng
thi
- Gidm thi coi thi kh6ng duqc
gidi
thich
gi
th/m.