Questions: Inheritance, variation and evolution
New numbers every time.
Reproduction, meiosis and DNA
- Chromosomes in gametes and body cellsCalculate, 2 marks, Plus
- Cells and chromosomes after cell divisionCalculate, 2 marks, Plus
- Different gametes from chromosome pairsCalculate, 2 marks, Plus
- Sexual and asexual reproductionChoose, 1 mark, Plus
- Meiosis, mitosis and fertilisationChoose, 1 mark, Plus
- DNA, genes, chromosomes and the genomeChoose, 1 mark, Plus
- Base percentages in DNACalculate, 2 marks, Plus, Biology only
- The complementary strandChoose, 1 mark, Plus, Biology only
- Advantages of sexual and asexual reproductionChoose, 2 marks, Plus, Biology only
- Protein synthesis and mutationsChoose, 1 mark, Plus, Biology only
- Bases and amino acidsCalculate, 2 marks, Plus, Biology only
- Transcription and translationChoose, 1 mark, Plus, Biology only, Higher tier
- From DNA to mRNA to tRNADetermine, 3 marks, Plus, Biology only, Higher tier
- The steps of protein synthesisChoose, 2 marks, Plus, Biology only, Higher tier
- Transcription and translation (6 marks)Describe, 6 marks, Plus, Biology only, Higher tier
- Meiosis and mitosis comparedCompare, 7 marks, Plus
- DNA bases and the complementary strandCalculate, 5 marks, Plus, Biology only
Genetic crosses, family trees and sex
- Words for inheritanceChoose, 1 mark, Plus
- Genotypes and phenotypesChoose, 1 mark, Plus
- Percentage of offspring from a crossCalculate, 2 marks, Plus
- Ratio of phenotypes from a crossChoose, 1 mark, Plus
- Probability as a fractionChoose, 1 mark, Plus
- Completing a Punnett squareComplete, 3 marks, Plus
- Expected number of offspringCalculate, 2 marks, Plus
- Parents from offspring numbersDetermine, 2 marks, Plus
- Genotypes from a family treeDetermine, 2 marks, Plus
- Carriers in a family treeDetermine, 2 marks, Plus
- Chance of a child from a family treeCalculate, 4 marks, Plus
- Chance of a boy or a girlCalculate, 2 marks, Plus
- Sex chromosomesChoose, 1 mark, Plus
- Define the words of inheritanceDefine, 3 marks, Plus
- A cross: genotypes, ratios and numbersDeduce, 6 marks, Plus, Higher tier
Inherited disorders and embryo screening
- Cystic fibrosis crossCalculate, 3 marks, Plus
- Polydactyly crossCalculate, 3 marks, Plus
- Polydactyly and cystic fibrosisChoose, 1 mark, Plus
- Polydactyly in a family treeDetermine, 2 marks, Plus
- Chance of cystic fibrosis in a populationCalculate, 3 marks, Plus, Higher tier
- Embryo screening issuesChoose, 1 mark, Plus
- Evaluate embryo screening (6 marks)Evaluate, 6 marks, Plus
- Carriers of cystic fibrosis and embryo screeningEvaluate, 7 marks, Plus, Higher tier
- Polydactyly in a familyIdentify, 7 marks, Plus
Variation and evolution
- Causes of variationChoose, 1 mark, Plus
- MutationsChoose, 1 mark, Plus
- The steps of natural selectionChoose, 2 marks, Plus
- How antibiotic resistance developsExplain, 4 marks, Plus
- Resistant bacteria dataCalculate, 4 marks, Plus
- Fossils and evidence for evolutionChoose, 1 mark, Plus
- Causes of extinctionChoose, 1 mark, Plus
- Natural selection of a named feature (6 marks)Explain, 6 marks, Plus
- Darwin, Wallace, Lamarck and MendelChoose, 1 mark, Plus, Biology only
- Steps of speciationChoose, 2 marks, Plus, Biology only
- Resistance spreads by natural selectionPredict, 6 marks, Plus
- Twins, genes and the environmentAnalyse, 6 marks, Plus
- How two species formedSuggest, 6 marks, Plus, Biology only
Selective breeding, genetic engineering and cloning
- The steps of selective breedingChoose, 2 marks, Plus
- Selective breeding and inbreedingChoose, 1 mark, Plus
- Selective breeding dataCalculate, 3 marks, Plus
- Steps of genetic engineeringChoose, 2 marks, Plus, Higher tier
- Genetic engineering: uses, benefits and risksChoose, 1 mark, Plus
- Cloning plants and animalsChoose, 1 mark, Plus, Biology only
- Who is a clone identical toDetermine, 1 mark, Plus, Biology only
- Restriction enzymes, sticky ends and ligaseChoose, 1 mark, Plus, Higher tier
- Genetic engineering with restriction enzymes and ligaseChoose, 2 marks, Plus, Higher tier
- Matching sticky endsDetermine, 2 marks, Plus, Higher tier
- Genetic engineering with enzymes (6 marks)Describe, 6 marks, Plus, Higher tier
- Plan: selective breeding (6 marks)Plan, 6 marks, Plus
- GM crops: benefits and risks (6 marks)Discuss, 6 marks, Plus
- Genetic engineering: the stepsDevise, 7 marks, Plus, Higher tier
Classification and evolutionary trees
- Binomial names, relatedness and the three domains (5 marks)Deduce, 5 marks, Plus
- The order of classification ranksChoose, 1 mark, Plus
- Binomial namesChoose, 1 mark, Plus
- Reading a classification tableDetermine, 2 marks, Plus
- The three-domain systemChoose, 1 mark, Plus
- Which two species share the most recent ancestorDetermine, 1 mark, Plus
- Closest relative on an evolutionary treeDetermine, 1 mark, Plus
- When two species shared an ancestorDetermine, 1 mark, Plus
- Binomial names and classificationIdentify, 7 marks, Plus
Sex-linked inheritance and family trees
- Sex-linked genes and carriers (Edexcel Higher)Choose, 1 mark, Plus, Biology only, Higher tier
- Sex-linked genotypes (Edexcel Higher)Choose, 1 mark, Plus, Biology only, Higher tier
- Sex-linked crosses (Edexcel Higher)Calculate, 4 marks, Plus, Biology only, Higher tier
- A sex-linked family tree (Edexcel Higher)Determine, 4 marks, Plus, Biology only, Higher tier
- Dominant or recessive? Reading a family treeDetermine, 3 marks, Plus
- Why sex-linked disorders are commoner in males (Edexcel Higher)Explain, 4 marks, Plus, Biology only, Higher tier
- Sex-linked inheritance in a familyJustify, 6 marks, Plus, Biology only
Evidence for evolution
- What the fossil record tells usChoose, 1 mark, Plus
- Dating fossils from rock layersCalculate, 4 marks, Plus
- Human fossils: Ardi, Lucy and Turkana Boy (Edexcel)Calculate, 4 marks, Plus
- Human fossils and stone tools (Edexcel)Choose, 1 mark, Plus
- The pentadactyl limb (Edexcel, Biology only)Choose, 1 mark, Plus, Biology only
- How fast a resistant strain growsCalculate, 4 marks, Plus
- Resistant bacteria and how to slow themChoose, 1 mark, Plus
- Extinction dataCalculate, 3 marks, Plus
- Fossils and resistant bacteria as evidence for evolution (6 marks)Explain, 6 marks, Plus
- An evolutionary tree from datesSketch, 7 marks, Plus
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