Grade 12 Life Science Term 1 Practical 2025
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Resource Description
The assessment is a practical test worth 30 marks, covering key Life Sciences concepts from term 1, including DNA structure, transcription, translation, and meiosis. It features both theoretical and practical components, designed for easy integration into school templates for moderation. Memo has been included for ease of use.
Section 1: DNA
- Calculate nitrogen base percentages.
- Write m-RNA from a given DNA sequence.
- Derive amino acid sequences from DNA.
- Identify features and name scientists related to DNA discovery.
- Identify human DNA by base pairing and nucleic acid percentages.
Section 2: Meiosis
- Recognize meiosis phases from micrographs.
- Explain differences in chromosomes from two micrographs.
- Identify the genetic variation process and its phase.
- Describe the crossing-over process.
- Explain differences between cells in micrographs.
- Draw and label chromosomes for a specific phase.