Grade 12 Life Science Pedigree Diagrams and Mutations 2025
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Resource Description
PowerPoint Presentation for Educators as a Classroom Teaching Aid
- Convertibility: The presentation can be converted into a PDF format, serving as an effective study guide.
- Presentation Notes: The PowerPoint includes notes for presentation mode, facilitating ease of use for educators.
- Engaging Questions: Thought-provoking questions are incorporated in “thinking boxes” to stimulate critical thinking.
- Sourced Diagrams: All diagrams are properly cited and include hyperlinks for further reference.
- Diverse Learning Approaches: Information has been summarized in various formats to cater to different learning styles.
- Topics Covered in Accordance with CAPS ATP
- Define mutations and explain their occurrence during DNA replication.
- Differentiate between:
- Gene mutations (e.g., point and frame-shift)
- Chromosome aberrations (e.g., non-disjunction in meiosis)
- Identify examples of harmless, harmful, and useful mutations.
- Interpret pedigree diagrams to:
- Trace inheritance of dominant, recessive, and sex-linked traits
- Determine individuals’ genotype and phenotype
- Predict genetic outcomes in offspring.