| Chapter 26 | | |
| 26.1 What is genetics? | | |
| 26.2 DNA, chromosomes and genes | | |
| 26.3 Mendel’s laws of inheritance | | |
| 26.4 Inheritance in humans | | |
| 26.5 Variations in characteristics | | |
| 26.1 What is genetics? (Bilingual) | | |
| 26.2 DNA, chromosomes and genes (Bilingual) | | |
| 26.3 Mendel’s laws of inheritance (Bilingual) | | |
| 26.4 Inheritance in humans (Bilingual) | | |
| 26.5 Variations in characteristics (Bilingual) | | |