Edexcel International GCSE Biology
Edexcel International GCSE Biology Inheritance Exam Questions
Free Edexcel International GCSE Biology exam questions on Inheritance, with mark schemes. Covers DNA, genes, alleles, genetic crosses, mitosis, meiosis, mutation and evolution.
Inheritance exam questions
These packs of real past exam questions cover the whole of Section 3: Reproduction and Inheritance, including Inheritance. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
Edexcel IGCSE Biology 4BI1 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Edexcel International GCSE Biology Inheritance
This sub-topic covers inheritance and variation.
What you need to know
- DNA Genes, alleles and protein synthesis.
- Crosses Punnett squares, pedigrees and sex determination.
- Variation Mitosis, meiosis, mutation and natural selection.
Common mistakes in Inheritance
- Mixing genotype and phenotype.
- Saying meiosis gives identical cells.
Try two Inheritance exam-style questions
1. Define allele. (1 mark)
Show the mark scheme answer
A different version of a gene.
2. Explain how antibiotic resistance develops. (2 marks)
Show the mark scheme answer
A mutation gives resistance (1); resistant bacteria survive and reproduce (1).
Inheritance FAQs
What does Inheritance cover?
DNA, crosses, cell division and evolution.
How many chromosomes in a human gamete?
23.
Revise this topic with flashcards: Edexcel IGCSE Biology 4BI1 Flashcards, with mark scheme answers for Anki and Quizlet.
