Master genetic crosses for GCSE Biology with this comprehensive worksheet — 30 practice questions, worked examples, and full mark scheme in one instant PDF download.

Confidence with Punnett squares and genetic probability calculations is essential for AQA GCSE Biology exam success. This worksheet gives students plenty of practice at varying levels of difficulty, covering monohybrid and dihybrid crosses.

What's Included:

• 30 genetic cross questions at Foundation and Higher Tier difficulty
• Step-by-step worked examples to model the method
• Real-world applications — inherited disorders, eye colour, blood groups
• Monohybrid and dihybrid Punnett square practice
• Calculating phenotypic and genotypic ratios
• Probability calculations from genetic crosses
• Full mark scheme with detailed solutions
• Fully aligned with AQA GCSE Biology specification
• Instant PDF download — begin revising right away
• Easy-to-print format

Topics Covered:

• Constructing monohybrid and dihybrid Punnett squares
• Calculating phenotypic and genotypic ratios
• Understanding dominant, recessive, and codominant alleles
• Calculating probability of inherited traits
• Applying genetic crosses to real inheritance scenarios

Perfect for: GCSE Biology students in Years 10 and 11, science teachers building genetics revision lessons, and students preparing for AQA GCSE Biology exams.

Download now and build the genetics confidence you need for exam success!