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Which of the following is the complementary DNA strand for this original strand?

ATC GCT AAT

(1 point)
Responses

TAG CGA TTA
TAG CGA TTA

ATC GCT AAT
ATC GCT AAT

GCT ATC GGC
GCT ATC GGC

UAG CGA UUA

1 answer

The complementary DNA strand is created by pairing adenine (A) with thymine (T) and cytosine (C) with guanine (G).

For the original strand: ATC GCT AAT

The complementary bases would be:

  • A (Adenine) pairs with T (Thymine)
  • T (Thymine) pairs with A (Adenine)
  • C (Cytosine) pairs with G (Guanine)
  • G (Guanine) pairs with C (Cytosine)
  • C (Cytosine) pairs with G (Guanine)
  • T (Thymine) pairs with A (Adenine)
  • A (Adenine) pairs with T (Thymine)
  • T (Thymine) pairs with A (Adenine)

So, the complementary strand will be: TAG CGA TTA

Therefore, the correct response is:

TAG CGA TTA