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Genetics Principles

Applied Biology · Level 6  ·  5 Chapters

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What Genetics Principles covers

Genetics Principles starts with the cell cycle and cell division, the ideas Applied Biology Level 6 learners need before they can follow how traits pass on. After genetic crossing, you study the structure of the chromosome, the structure and function of DNA and RNA, and mutation. Mendelian inheritance follows, with deviations from the laws, Punnett squares, gene interactions and genetic disorders. Protein synthesis covers DNA replication, transcription and translation. The unit closes with animal and plant breeding: breeding materials, types of breeding, sexual reproduction, and the results and effects of breeding.

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Careers after Genetics Principles

Genetics Principles equips Applied Biology graduates for work where inheritance, breeding and the molecules behind them drive decisions. Cell division, nucleic acids, inheritance patterns, protein synthesis and breeding each open different doors.

  • Seed and crop breeding stations in Kitale - you plan crosses, use Punnett squares and record the results and effects of breeding to improve planting material.
  • Animal breeding farms in Nyahururu - you choose breeding types and materials and track how traits pass between generations.
  • County hospital laboratories in Kericho - you apply knowledge of chromosomes, DNA, RNA and mutation to support work on genetic disorders.
  • Plant tissue and molecular biology laboratories in Meru - you work with DNA, RNA and protein synthesis knowledge to follow how genes are copied and expressed.
  • Self-employed breeding and seedling nurseries in Thika - you select and cross plants or animals and earn by selling improved stock.

The common thread is turning inheritance principles into practical choices about plants, animals and patients.

Chapters

1
Apply cell division concepts
5 topics
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2
Apply knowledge on structure of nucleic acids
9 topics
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3
Apply Mendelian law of inheritance
17 topics
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4
Apply protein synthesis knowledge
3 topics
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5
Carry out animal and plant breeding
17 topics
Open chapter →
What Genetics Principles covers: 20 main topics in 5 chapters

1. Apply cell division concepts

  1. 1.1 Cell cycle
  2. 1.2 Cell division
  3. 1.3 Genetic crossing

2. Apply knowledge on structure of nucleic acids

  1. 2.1 Structure of the chromosome
  2. 2.2 DNA structure and function
  3. 2.3 RNA structure and function
  4. 2.4 Mutation

3. Apply Mendelian law of inheritance

  1. 3.1 Mendelian principle of inheritance and deviations from the laws
  2. 3.2 Punnett squares
  3. 3.3 Genes, DNA and chromosomes
  4. 3.4 Gene interactions
  5. 3.5 Genetic disorders

4. Apply protein synthesis knowledge

  1. 4.1 DNA replication
  2. 4.2 DNA transcription
  3. 4.3 DNA translation

5. Carry out animal and plant breeding

  1. 5.1 Animal and plant breeding materials
  2. 5.2 Types of breeding
  3. 5.3 Sexual reproduction
  4. 5.4 Results of breeding
  5. 5.5 Effects of breeding

Revise this unit

Exam-style questions Written to CDACC standard, with answers Test yourself Multiple-choice, one at a time Practise questions Quick recall — check you know the facts
3 more for this unit
Oral exam preparation What the assessor asks, and how to answer out loud Worked calculations Step-by-step maths with the common mistakes Quick cards Myth busters, skill tips and scenarios

Beyond the syllabus

Decision simulator On site, what would you do? Workplace scenarios Real site situations — what would you do? Turn this into income Where this skill earns — what to charge, how to find clients

Other units in Module VI