asked 189k views
2 votes
If the DNA sequence TTCACG is transcribed to AAGGC, what type of mutation has occurred?

a. Translocation
b. Insertion
c. Deletion
d. Substitution

asked
User TheLQ
by
7.6k points

1 Answer

4 votes
Notice here that the original strand has 6 bases, but the new one only has 5. Therefore, it has to be a deletion. Precisely, the A in the first sequence was deleted, and you can tell, because there should be a U in the fourth spot.
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