DNA and chromosomes
DNA and chromosomes
DNA is the chemical that makes up the genetic material of a cell. In animal and plant cells, most DNA is found inside the nucleus.
Step-by-step lessons covering AQA GCSE Biology 6.1.4 DNA and the genome for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.