Edexcel A Level Biology B Topic 7: Modern Genetics – Subtopic 7.1 Using Gene Sequences Complete Pack.

Exam-board-aligned Edexcel A Level Biology B Using Gene Sequences pack with exam questions, retrieval practice, misconceptions and teacher mark scheme.

This resource is a complete exam-style assessment pack for Edexcel A Level Biology B, covering Topic 7: Modern Genetics, Subtopic 1 – Using Gene Sequences (7.1).

NOTE: Word documents for student questions and the mark scheme are included for ease of editing, copying and adapting.

It has been written to closely reflect Edexcel command words, mark scheme phrasing and examiner expectations, making it ideal for both classroom teaching and focused exam preparation.

What’s included:

Student Pack:
• Structured exam-style questions using Edexcel command words
• Short-answer, structured, data-handling and extended-response questions
• Challenging DNA profiling and PCR data-analysis tasks
• Application questions involving gene sequencing and genetic conditions
• Practical-style questions involving PCR and gel electrophoresis
• Retrieval practice questions to consolidate key knowledge

Teacher Pack:
• Fully worked Edexcel-style mark scheme
• Common student misconceptions with clear, examiner-focused corrections
• Retrieval question answer key
All materials are provided as ready-to-use PDFs, suitable for printing or digital classrooms.

Specification coverage:

7.1 Using Gene Sequences
• The meaning of the term genome
• Polymerase chain reaction (PCR)
• Role of primers and thermostable DNA polymerase
• Temperature changes involved in PCR
• Amplification of selected DNA sequences
• Gene sequencing and determining DNA base sequences
• Using gene sequences to predict amino acid sequences
• Using sequence data to investigate genetically determined conditions
• DNA profiling
• Separation of DNA fragments using gel electrophoresis
• Use of DNA profiling in forensic investigations
• Use of DNA profiling in paternity testing
• Interpretation and evaluation of DNA-profile evidence

Designed to support
• A Level Biology lessons
• Homework and independent revision
• Retrieval starters and low-stakes testing
• Exam technique and command-word precision
• Data analysis and application skills
• Extended-response practice
• Practical and experimental skills
• Intervention and targeted support

Also available
This resource forms part of a full Topic 7: Modern Genetics bundle for Edexcel A Level Biology B, covering gene sequences, factors affecting gene expression, stem cells and gene technology.

Created by an experienced A Level Biology teacher.

Classroom use permitted. Not for redistribution.