Base Pairing Rules

Definition

The base pairing rules refer to the way in which DNA bases pair up. Adenine (A) always pairs with Thymine (T), and Guanine (G) always pairs with Cytosine (C).

Related terms

Adenine:

One of the four main bases found in DNA and RNA, always pairs with thymine in DNA.

Thymine:

One of the four main bases found in DNA, always pairs with adenine.

Cytosine:

One of the four main bases found in both DNA and RNA, always pairs with guanine.