From a gene to recombinant DNA
From a gene to recombinant DNA

Genetic engineering transfers a chosen gene from one organism into another organism's cells. The gene is inserted into a vector, forming recombinant DNA that contains DNA from different sources.
Step-by-step lessons on Edexcel GCSE Biology 4.3.4 Main stages of genetic engineering. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.