This introduction covers The Blueprint of Life within DNA Genome for GCSE Biology. DNA structure, function, and the human genome It is section 1 of 15 in this topic. Use this introduction to connect the idea to the wider topic before moving on to questions and flashcards.
The Blueprint of Life
Imagine a library containing every instruction needed to build and run your body — from your eye colour to how tall you'll grow. This "library" exists in almost every cell in your body. It's called your genome, and it's written in a chemical language called DNA. Just 4 "letters" (A, T, C, G) combine in different orders to create all the diversity of life on Earth!
Practice questions for DNA Genome
Which of the following base pairing rules is correct for DNA?
What are the four nitrogenous bases found in DNA?