Key term for Edexcel GCSE Biology, used in Selective Breeding and Genetic Engineering.
The specific pairing of nitrogenous bases (Adenine with Thymine, Cytosine with Guanine) via hydrogen bonding.
Complementary base pairing appears in Edexcel GCSE Biology revision content for Natural Selection and Genetic Modification, especially Selective Breeding and Genetic Engineering and Stages of Genetic Engineering.
Natural Selection and Genetic Modification
Selective Breeding and Genetic Engineering • Stages of Genetic Engineering
Genetics
Protein Synthesis • Transcription and Translation
Genetics
Reproduction and DNA • DNA Structure
Cells and Control
Mitosis and Growth • Mitosis and the Cell Cycle
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