These Grade 12 Life Sciences summaries are designed to help you simplify complex topics, revise faster, and prepare effectively for your June and final exams. Created by an experienced Life Sciences teacher, these notes follow the CAPS curriculum and focus on what learners actually need to pass and achieve distinctions.
• Structure of DNA & RNA
• DNA replication
• Protein synthesis
• DNA profiling
• Meiosis I & II
• Abnormal meiosis
• Importance
• Diversity of reproductive strategies
. • Human life cycle
• Male & Female reproductive system
• Gametogenesis
• Menstrual cycle
• Development of zygote to Blastula
• Gestation (development of foetus)
• Key concepts of genetics
• Mendel as the father of genetics
• Monohybrid crosses & Dihybrid crosses
• Blood groups
• Genetic lineage/pedigree
• Mutations
• Genetic engineering
• Central Nervous system & Peripheral Nervous system
• Reflex action & Reflex Arc
• The Eye & Ear
• Endocrine glands &
• Negative feedback
• Plant hormones
• Evolution by natural selection
• Major hominid phases