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Grade 12 Life Sciences Notes
CAPS-aligned Grade 12 Life Sciences revision notes, broken down topic by topic with worked examples, diagrams, and key definitions.
Study Notes
GENETICS AND INHERITANCE
- • Introduction to Genetics and Inheritance
- • Key Concepts in Inheritance
- • Monohybrid Crosses
- • Sex Determination
- • Sex-Linked Inheritance
- • Blood Grouping (ABO System)
- • Dihybrid Crosses
- • Genetic Lineages and Pedigree Diagrams
- • Mutations
- • Genetic Engineering and Biotechnology
- • Paternity Testing and DNA Profiling
- • Linking Genetics Topics — Exam Revision Guide
EVOLUTION
- • Introduction to Evolution
- • Evidence for evolution
- • Variation
- • Origin of an idea about origins
- • Lamarckism
- • Darwinism
- • Punctuated Equilibrium
- • Artificial selection
- • Formation of new species
- • Mechanisms of reproductive isolation
- • Evolution in present times
- • Evidence of common ancestors for living hominids
- • Out-of-Africa hypothesis
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Notes are reviewed every term and updated after each release of the DBE’s subject guidelines so the content stays current.