AQA GCSE Biology contents

Unit 1 · Cell Biology

Chromosomes, Mitosis & The Cell Cycle

2 min read · part of the full Exam Guide

Chromosomes

  • The nucleus contains chromosomes, made of DNA molecules. Each chromosome carries a large number of genes
  • In body cells the chromosomes are found in pairs: humans have 23 pairs, 46 in total. One of each pair came from each parent

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In the full topic

  • Chromosomes
  • The cell cycle
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