2 GCSE Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE SubjectClear filter Biology Exam board OCR TopicClear filter DNA and inheritance Genes, chromosomes and DNA Resources Crossword Flashcards Mindmap Multi-tool Quiz Quizsearch Biology GCSE, Biology Quiz 5.0 / 5 B1-Genes, chromosomes and DNA Mindmap GCSE, Biology Mindmap Search again