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Unit 4 of 9

Genetics, Variation and Interdependence

AQA A Level Biology 7402 · 55 lessons · 39 quizzes

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4.1

4. Genetics, Variation and Interdependence20 min

2.3.2

Translation20 min

4.1

DNA, Genes and Chromosomes20 min

4.1.1

Prokaryotic DNA20 min

4.1.2

Eukaryotic DNA20 min

4.1.3

Mitochondria and Chloroplast DNA20 min

4.1.4

Genes20 min

4.1.5

Genetic Loci20 min

4.1.6

The Triplet Code20 min

4.1.7

Non-Coding DNA20 min

4.2

DNA and Protein Synthesis (Part 1)20 min

4.2

DNA and Protein Synthesis (Part 2)20 min

4.2.1

The Genome20 min

4.2.4

Eukaryotic and Prokaryotic Transcription20 min

4.2.6

Nucleic Acid and Amino Acid Sequence Comparison20 min

4.3

Genetic Diversity- Mutations and Meiosis (Part 1)20 min

4.3

Genetic Diversity- Mutations and Meiosis (Part 2)20 min

4.3

Genetic Diversity- Mutations and Meiosis (Part 3)20 min

4.3.1

Genetic Mutations20 min

4.3.2

Mutations in Chromosome Number20 min

4.3.3

4.3.6

Meiosis Under a Microscope20 min

4.3.7

Comparing Meiosis and Mitosis20 min

4.4

Genetic Diversity and Adaptation (Part 1)20 min

4.4

Genetic Diversity and Adaptation (Part 2)20 min

4.4

Genetic Diversity and Adaptation (Part 3)20 min

4.4.1

Genetic Diversity20 min

4.4.2

Using Logarithms When Investigating Bacteria20 min

4.4.4

Directional and Stabilising Selection20 min

4.4.5

Environmental Adaption20 min

4.4.6

Required Practical- Aseptic Techniques20 min

4.5

Species and Taxonomy (Part 1)20 min

4.5

Species and Taxonomy (Part 2)20 min

4.5.1

Courtship20 min

4.5.2

Phylogenetic Classification20 min

4.5.3

Hierarchy of the Taxa20 min

4.5.4

Evolutionary Relationships20 min

4.6

Biodiversity (Part 1)20 min

4.6

Biodiversity (Part 2)20 min

4.6

Biodiversity (Part 3)20 min

4.6

Biodiversity (Part 4)20 min

4.6.1

Biodiversity Within a Community20 min

4.6.2

Species Richness20 min

4.6.3

Index of Diversity20 min

4.6.4

Conservation and Farming20 min

4.6.5

Investigating Diversity20 min

4.6.7

Mean and Standard Deviation20 min

4.6.8

Quantitative Investigations of Variation20 min

4.6.9

Genetic Relationships Between Organisms20 min

6.1.4

The Structure of RNA20 min

6.2.4

Transcription20 min

16.1.3

Meiosis in Animal and Plant Cells20 min

16.1.5

Meiosis- Sources of Genetic Variation20 min

17.2.1

Natural Selection20 min

18.2.3

Random Sampling20 min

Practice for this unit

2.3.2 Translation – Exam questions

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4.1.1 Prokaryotic DNA – Unit exam questions

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4.1.2 Eukaryotic DNA – Unit exam questions

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4.1.3 Mitochondria and Chloroplast DNA – Exam questions

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4.1.4 Genes – Exam questions

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4.1.5 Genetic Loci – Exam questions

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4.1.6 The Triplet Code – Exam questions

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4.1.7 Non-Coding DNA – Exam questions

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4.2.1 The Genome – Exam questions

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4.2.4 Eukaryotic and Prokaryotic Transcription – Exam questions

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4.2.6 Nucleic Acid and Amino Acid Sequence Comparison – Exam questions

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4.3.1 Genetic Mutations – Exam questions

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4.3.2 Mutations in Chromosome Number – Exam questions

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4.3.3 Meiosis – Exam questions

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4.3.6 Meiosis Under a Microscope – Unit exam questions

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4.3.7 Comparing Meiosis and Mitosis – Exam questions

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4.4.1 Genetic Diversity – Exam questions

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4.4.2 Using Logarithms When Investigating Bacteria – Exam questions

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4.4.4 Directional and Stabilising Selection – Exam questions

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4.4.5 Environmental Adaption – Exam questions

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4.4.6 Required Practical- Aseptic Techniques – Exam questions

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4.5.1 Courtship – Unit exam questions

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4.5.2 Phylogenetic Classification – Unit exam questions

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4.5.3 Hierarchy of the Taxa – Unit exam questions

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4.5.4 Evolutionary Relationships – Unit exam questions

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4.6.1 Biodiversity Within a Community – Exam questions

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4.6.2 Species Richness – Exam questions

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4.6.3 Index of Diversity – Exam questions

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4.6.4 Conservation and Farming – Unit exam questions

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4.6.5 Investigating Diversity – Exam questions

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4.6.7 Mean and Standard Deviation – Unit exam questions

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4.6.8 Quantitative Investigations of Variation – Unit exam questions

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4.6.9 Genetic Relationships Between Organisms – Exam questions

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6.1.4 The Structure of RNA – Exam questions

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6.2.4 Transcription – Exam questions

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16.1.3 Meiosis in Animal and Plant Cells – Exam questions

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16.1.5 Meiosis- Sources of Genetic Variation – Exam questions

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17.2.1 Natural Selection – Exam questions

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18.2.3 Random Sampling – Unit exam questions

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