Questions: Inheritance, variation and evolution
Pick a question type. Each time you get new numbers. Free ones are marked free.
Reproduction, meiosis and DNA
- Chromosomes in gametes and body cellsCalculate, 2 marks, free
- Cells and chromosomes after cell divisionCalculate, 2 marks, free
- Different gametes from chromosome pairsCalculate, 2 marks, free
- Sexual and asexual reproductionChoose, 1 mark, free
- Meiosis, mitosis and fertilisationChoose, 1 mark, free
- DNA, genes, chromosomes and the genomeChoose, 1 mark, free
- 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
Genetic crosses, family trees and sex
- Words for inheritanceChoose, 1 mark, free
- Genotypes and phenotypesChoose, 1 mark, free
- Percentage of offspring from a crossCalculate, 2 marks, free
- Ratio of phenotypes from a crossChoose, 1 mark, free
- Probability as a fractionChoose, 1 mark, Plus
- Completing a Punnett squareComplete, 3 marks, free
- Expected number of offspringCalculate, 2 marks, Plus
- Parents from offspring numbersDetermine, 2 marks, Plus
- Genotypes from a family treeDetermine, 2 marks, free
- 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, free
- Sex chromosomesChoose, 1 mark, Plus
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
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
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
Classification and evolutionary trees
- 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
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