What you’ll learn6 learning objectivesChoose one objective for a focused lesson, or study the complete topic.5.1.1Chromosome structure and telomeres• Chromosome structure: DNA, histone proteins, sister chromatids, centromere, telomeresSyllabus objective5.1.2Importance of mitosis• Importance of mitosis:- Growth of multicellular organisms- Replacement of damaged/dead cells- Tissue repair- Asexual reproductionSyllabus objective5.1.3Mitotic cell cycle• Mitotic cell cycle:- Interphase (G1, S phase DNA replication, G2)- Mitosis- CytokinesisSyllabus objective5.1.4Telomeres• Role of telomeres in preventing gene loss during DNA replicationSyllabus objective5.1.5Stem cells• Stem cells in cell replacement and tissue repairSyllabus objective5.1.6Tumour formation• Uncontrolled cell division and tumour formationSyllabus objective