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A segment of DNA shows bases in this order AGT CAC GCA, complete the corresponding DNA strand: TCA GTG?

A: ACG
B: CGT
C: GCA
D: TGC

User Blrfl
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2 Answers

5 votes

Answer:

The answer is B

Step-by-step explanation:

User Roelant M
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2 votes

The answer is B: CGT


According to the base pairing rules, in DNA, adenine pairs with thymine (A-T), and cytosine pairs with guanine (C-G).

The complementary triplet for GCA is CGT. So, for the DNA segment AGT CAC GCA, the complementary strand will be TCA GTG CGT:

Known strand: AGT CAC GCA

Corresponding strand: TCA GTG CGT

User Ara Hakobyan
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