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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 insertion insertion substitution substitution deletion deletion frameshift frameshift Skip to navigation
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GPT-4o mini
To examine the two strands of DNA you provided:
Original strand: **AGC GTA CCC TAC**
New strand: **AGC GTA ACC TAC**
Let's compare the two strands:
- The first two segments (AGC GTA) are identical in both strands.
- The third segment changes from **CCC** in the original strand to **ACC** in the new strand.
- The fourth segment (TAC) is also identical in both strands.
The change from **CCC** to **ACC** indicates that one base pair has been replaced with another base pair. This type of mutation is known as a **substitution mutation**, as one nucleotide has been substituted for another.
Therefore, the correct response is: **substitution**.
Original strand: **AGC GTA CCC TAC**
New strand: **AGC GTA ACC TAC**
Let's compare the two strands:
- The first two segments (AGC GTA) are identical in both strands.
- The third segment changes from **CCC** in the original strand to **ACC** in the new strand.
- The fourth segment (TAC) is also identical in both strands.
The change from **CCC** to **ACC** indicates that one base pair has been replaced with another base pair. This type of mutation is known as a **substitution mutation**, as one nucleotide has been substituted for another.
Therefore, the correct response is: **substitution**.
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