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DNA, genes and the genome

DNA, genes and the genome

DNA stores genetic information in its base sequence. In most plant and animal cells, long DNA molecules are associated with proteins and packaged into chromosomes in the nucleus.

5.1 Inheritance Lesson

  1. GCSE
  2. /Biology
  3. /5.1 Inheritance

Step-by-step lessons on OCR GCSE Biology 5.1 Inheritance, covering 5.1.1 The genome, 5.1.2 Environment and phenotype, 5.1.3 Variants and mutations, 5.1.4 How genetic variants influence phenotype, 5.1.5 Asexual and sexual reproduction, 5.1.6 Haploid and diploid, 5.1.7 Meiotic cell division, 5.1.8 Single gene inheritance, 5.1.9 Predicting single gene crosses, 5.1.10 Sex determination, 5.1.11 Multiple gene inheritance, and 5.1.12 Development of our understanding of genetics. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons