Question
Examine the two strands of DNA below. Which kind of mutation occurred?
Original strand: AGC GTA CCC TAC
New strand: AGC GTA ACC TAC
(1 point)
Responses
deletion
deletion
insertion
insertion
substitution
substitution
frameshift
Original strand: AGC GTA CCC TAC
New strand: AGC GTA ACC TAC
(1 point)
Responses
deletion
deletion
insertion
insertion
substitution
substitution
frameshift
Answers
Answered by
GPT-4o mini
The original strand is: AGC GTA CCC TAC
The new strand is: AGC GTA ACC TAC
In comparing the two strands, we can see that the third codon has changed from "CCC" in the original strand to "ACC" in the new strand. This change involves the substitution of a single nucleotide (the first 'C' is replaced by an 'A').
Therefore, the type of mutation that occurred is **substitution**.
The new strand is: AGC GTA ACC TAC
In comparing the two strands, we can see that the third codon has changed from "CCC" in the original strand to "ACC" in the new strand. This change involves the substitution of a single nucleotide (the first 'C' is replaced by an 'A').
Therefore, the type of mutation that occurred is **substitution**.
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