Alleles and Inheritance
Alleles and Inheritance
An allele is one of the different forms that a gene can take. You inherit two alleles for each gene, one from each parent, carried on a pair of chromosomes.
Step-by-step lessons covering AQA GCSE Biology 6.1.6 Genetic inheritance 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.