Chromosomes, genes and proteins — Cambridge IGCSE Biology
Chromosomes, genes and alleles, how sex is inherited, how genes control protein production, gene expression, and haploid and diploid nuclei.
Revision notes
4 short notes, in the order of the specification.
- Chromosomes, genes and alleles
- Inheritance of sex
- How genes control proteinsSupplement
- Gene expression, haploid and diploidSupplement
Exam questions
7 exam-style questions (21 marks), each with its mark scheme.
Answer the questionsFlashcards
14 cards: flip them, mark what you knew, and practise the rest.
Practise the cardsMind map
The whole of inheritance on one page, so you can see where this subtopic fits.
Open the mind mapPrint it
Free PDFs to print or save.