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Rozema Biology—Spring 2010
Name: _________________________________________________________
Hr: _________________
MUTATIONS Practice Questions
Original DNA Sequence:
TAC---ACC---TTG---GCG---ACG---ACT
mRNA Sequence:
Amino Acid Sequence:
______________________________________________________________________________________
…NOW TRY THESE W/MUTATIONS!!
(Compare the mutated sequence, to the original sequence!!)
Mutated DNA Sequence #1: TAC---ATC---TTG---GCG---ACG---ACT
1- Circle the change.
2- What kind of mutation is this? ___________________
3- What will the mRNA sequence be? _____________________________________________________
4- What will the amino acid sequence be?
_______________________________________________________________________________________
5- Do you think this mutation will impact the organism? YES or
NO
Mutated DNA Sequence #2: TAC---GAT---CTT---GGC---GAC---GAC--T
1- Circle the change.
2- What kind of mutation is this? ___________________
3- What will the mRNA sequence be? _____________________________________________________
4- What will the amino acid sequence be?
_______________________________________________________________________________________
5- Do you think this mutation will impact the organism? YES or
NO
Mutated DNA Sequence #4: TAC---ACT---TGG---CGA---CGA---CT
1- Circle the change.
2- What kind of mutation is this? ___________________
3- What will the mRNA sequence be? _____________________________________________________
4- What will the amino acid sequence be?
_______________________________________________________________________________________
5- Do you think this mutation will impact the organism? YES or
NO
Rozema Biology—Spring 2010
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