Edexcel Biology B: 7.2 Gene Expression

Edexcel A Level Biology B Topic 7: Modern Genetics – Subtopic 7.2 Factors Affecting Gene Expression Complete Pack

Exam-board-aligned Edexcel A Level Biology B Factors Affecting Gene Expression 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 – Factors Affecting Gene Expression (Specification 7.2–7.3), including gene regulation, epigenetics, cell differentiation and stem cells.

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 classroom teaching, homework and focused exam preparation.

What’s included:

Student Pack:
Structured exam-style questions using Edexcel command words
Short-answer and structured explanation questions
Challenging data-analysis and interpretation questions
Application questions in unfamiliar biological contexts
Practical and experimental-design question
Extended-response questions worth 6–8 marks
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:
7.2–7.3 Factors Affecting Gene Expression
The role of transcription factors in regulating gene expression
Activation and repression of transcription
Post-transcriptional modification of mRNA
RNA splicing and alternative splicing
Production of different proteins from the same gene
Epigenetic modification and control of gene expression
DNA methylation
Histone modification and chromatin accessibility
How differences in gene expression produce specialised cells
Cell differentiation
Totipotent, pluripotent and multipotent stem cells
Embryonic stem cells and their potential uses
Epigenetic changes during differentiation
Reprogramming differentiated cells to produce induced pluripotent stem (iPS) cells
Role of transcription factors in cellular reprogramming
Potential advantages and limitations of iPS cells compared with embryonic stem cells

Designed to support:
A Level Biology lessons
Homework and independent revision
Retrieval starters and low-stakes testing
Exam technique and command-word precision
Challenging data analysis and interpretation
Extended-response practice
Experimental-design skills
Intervention and targeted support
Also available

This resource forms part of the complete Topic 7: Modern Genetics bundle for Edexcel A Level Biology B, covering:

1. Using Gene Sequences (7.1)
2. Factors Affecting Gene Expression (7.2–7.3)
3. Gene Technology (7.4)

Created by an experienced A Level Biology teacher.

Classroom use permitted. Not for redistribution.