Edexcel International GCSE (9–1) Biology 4BI1 · 3.24
Family pedigrees
- Code
- 3.24
- In
- 3b Inheritance
- Topic
- 3 Reproduction and inheritance
- Course
- International GCSE (9–1) Biology 4BI1
- Board
- Edexcel
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
Points in 3b Inheritance
- 3.14 Genomes and genes
- 3.15 Chromosomes and genes in the nucleus
- 3.16B Structure of DNA
- 3.17B Structure of RNA
- 3.18B Protein synthesis: transcription and translation
- 3.19 Alleles and inherited differences
- 3.20 Genetic terms: dominant, recessive, genotype, phenotype
- 3.21B Codominance
- 3.22 Polygenic inheritance
- 3.23 Monohybrid inheritance and genetic diagrams
- 3.24 Family pedigrees
- 3.25 Probabilities in monohybrid crosses
- 3.26 Sex chromosomes
- 3.27 Sex determination at fertilisation
- 3.28 Mitosis
- 3.29 Uses of mitosis
- 3.30 Meiosis and haploid gametes
- 3.31 Random fertilisation and variation
- 3.32 Diploid and haploid chromosome numbers in humans
- 3.33 Genetic and environmental variation
- 3.34 Mutation
- 3.35B Effect of DNA changes on phenotype
- 3.36B Effects of mutations on phenotype
- 3.37B Causes of increased mutation rates
- 3.38 Darwin’s theory of evolution by natural selection
- 3.39 Antibiotic resistance in bacteria