your codon chart to determine the amino acid sequence. Remember to read through the strand and
ONLY start on AUG and STOP when it tells you to stop. You will need the genetic code wheel on page
303 in your text. Follow example below:
Use
Example:
>
>
protein )
AGA CGG TAC CTC CGG TGG GTG CTT GTC TGT ATC CTT CTC AGT ATC
UCU GCC AUG GAG GCC ACC CAC GAA CAG ACA UAG GAA GAG UCA UAG
DNA
mRNA
start - glu
-
ala -thre
- hist - asp -gluthreo-stop
) crrlrAc AcA ccc AGG* GTA TAT ATG nrrlncn ccc
) G arr lnu,nlG uc-LI t"cc UqL LAt) Aun UAc U AAI \,('U C?Cc
protein )
5{r,--l - Cyo - Atrt 5er . H'.,- 1* - T". Stop
1.
DNA
mRNA
TTG
AAC
TCC ATA
ACG d A r,t
q,* .,..;rf-
2.
)
DNA
mRNA
>
protein
)
ACA
UGU
:
3. DNA ) TNC
mRNA
protein
CTT
) AUA
+3'".{ - Vat
GUO
DNA
mRNA
)
)
protein
)
4.
TAc CTC CTC AGA CCA GCA ccA TGA ACT lCCn
\Aooarre GAG uiip Geil LG\) GCrr- AtrJ d4A I Ccr.l
Au'.l
Sltr\r-r- Vo.t - Ot u . ;!ec i. Pro . Ar3 ",A\or i Thrc-' 5+.t
/ti;A '*'' '" '*
TAA\
CGA TGA ATCI CGT ACG GTA
GAA ACA CQC."
CUJ .JGU .:CAG GTU ATU\ u \Gl GcL) TGC C.rtU
P.n Leq ' 3q, " A\r'. IrJA.q 'Th". " SrrP
GGG
,
rnn ACT CGG ITAC CTA GCT
TAG
ATC
TAA
TTA CCC
JGA G.. lhtr6' g^u C.GA-Au'C' UAG Atld /tAU
S*a.t 'F.sg Fr*3 ' r3o ' $"fl
Au,l
ATC
GGg. UFiG
> CTA TTA CGA TAC TAG .ASS"^ Cnn TAG AAA CTT ATC ATC
.JAG 0AA
) 6nu M0 Gcu AUG AUC r,UCg CUJ ,{ttC r}Jvl Qurr-'
{*arr Ta , !-r* Le,rt ' T1,: f,rtri ' (r.^l
protein )
5.
DNA
mRNA
"*oy
6.
Can an amino acid be coded by more than one codon? (can you get the same amino acid more than one
way?) Explain using an example.
b.,
0J".
tl
inP"
r'S
CC.
7. Is it possible to make a mistake transcribing
Explain with an example'
tj*
one letter in a codon and
still get the correct amino acid?
Dt'lA
:: : <*_ :;i,u*\A Lr_
G ur Q 4 {rris{' !u: LorP
<* 3+,1\ r3tl e ilVrcr
A \r,.
u'Jcrtt
redundancy in the genetic code. Why is this redundancy good (redundancy is
defined as the act of using a word, phrase, etc., that repeats something e/se). -r+ io q oo.\ tL ,,'{
thtru Ct,*: i=ltvrr^\ ci,'\..r,: -11r,.* arr.\n [.r- +t,,
8. This is known
as the
br c ...r:, *
",.
'tt' k*
l'"
.tt