1
Q
What is dihybrid inheritance?
A
The inheritance of 2 characteristics determined by 2 different genes on 2 different chromosones
2
Q
Before making my pummet square, what must I do with the paternal and maternal genotypes?
A
Find out the possible genotypes of the offspring
3
Q
What is the law of independent assortment?
A
Each member of a pair of alleles may combine randomly with either of another pair.
4
Q
In F2 generation, what is the ratio of phenotypes in dihybrid inheritance?
A
9:3:3:1
AQA Biology A Level
flashcards
Decks in class (103)
# Cards
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Microscopy13
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The Cell Cycle15
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Eukaryotic Cell Structure16
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Transport and Cell membranes7
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Biological molecules21
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The digestive system10
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Gaseous exchange2
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Meiosis10
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Gas Exchange in fish4
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Gas exchange in plant or leaf5
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Surface exchange + Sa:V3
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Osmosis9
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Transport of oragnic substance in phloem8
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Inorganic ions and water13
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Types of selection9
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Species and taxonomy (needs completing)14
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Diversity and human activity10
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Transport in the Xylem (Needs root transport added)8
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Blood vessels and tissue fluid10
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Investigating transport in plants3
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Defence Mechanisms12
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Phagocytosis1
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T celks and cell mediated immunity6
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B cells and humoral immunity2
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Antibodies (not finished, need Elisa test)11
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Vaccination10
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Cardiac Cycle + Transport systems9
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Haemoglobin6
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Bohr effect2
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Invesitigating Diversity5
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Protein synthesis4
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Mutations4
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Nitrogen and Phosphorus cycle + eutrophication15
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Succession12
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Conservation of Habitats5
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Competition6
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Defence mechanisms7
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Diffusion, Active and Co transport10
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Photosynthesis5
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Respiration12
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HIV and Viruses(needsn finishing)8
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Enzyme action2
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Factors affecting Enzyme Action6
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Enzyme inhibition2
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DNA Replication2
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Gaseous exchange in single celled organism and insects (edit)5
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Limiting water loss3
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Diversity within a community6
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Investigating diversity5
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Genes and the genetic code6
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DNA and Chromosones6
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Structures of ribonucleic acid9
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Protein Synthesis (Needs finishing)4
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Structure of DNA + RNA7
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Prokaryotic cell structure2
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Producing gene fragments15
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In vivo gene cloning16
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In vitro gene cloning8
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Locating genes, genetic screening, and counselling11
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Genetic fingerprinting12
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Response to stimuli16
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Plant growth factors8
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Reflex arc14
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Receptors22
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Control of heart rate23
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Neurones and nervous coordination15
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The nerve impulse10
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Passage of an action potential3
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Speed of the nerve impulse6
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Studying inheritance7
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Monohybrid inheritance + probability4
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Dihybrid inheritance4
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Multiple alleles and codominance3
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Sex linkage3
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Autosomal linkage2
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Epistasis1
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Chi squared8
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Population genetics + variation7
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Variation in phenotype3
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Natural selection8
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Principles of homeostasis4
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Feedback mechanisms6
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Synapses structure, function and transmission9
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Food chains and energy transfer8
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Energy transfer and productivity8
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Use of natural and artificial fertiliser2
-
Environmental issues concerning use of nitrogen containg fertilisers4
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Variation in population size2
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Isolation and Speciation9
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Populations and ecosystems5
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Structure of skeletal muscle13
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Contraction of a skeletal muscle9
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Hormones and regulation of blood glucose18
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Diabetes and its control9
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Structure of the kidney and nephron5
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Role of the nephron in osmoregulation12
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Role of hormones in osmoregulation4
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Gene mutations10
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Stem Cells and Totipotency13
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Regulation of Transcription and Translation2
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Epigenetic control of gene expression9
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Gene expression and cancer11
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Genome projects4
