1
Q
Monogenic inheritance
A
Inheritance of a single gene
2
Q
Codominance
A
Two different alleles occur for a gene - both are equally dominant, so both are expressed
3
Q
3 alleles of immunoglobulin
A
IA - production of antigen A
IB - production of antigen B
IO - production of neither antigens
4
Q
Blood group A genotypes
A
IAIA or IOIA
5
Q
Blood group B genotypes
A
IBIB or IOIB
6
Q
Blood group AB genotype
A
IAIB
7
Q
Blood group O genotype
A
IOIO
8
Q
Female chromosomes
A
XX
9
Q
Male chromosomes
A
XY
10
Q
Sex linked characteristics
A
Characteristics determined by genes carried on the sex chromosomes
OCR Gateway A Level Biology
flashcards
Decks in class (78)
# Cards
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2.1,2,3 Microscopy37
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Eukaryotic Cell Structures34
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2.5 Ultrastructure Of Plant Cells13
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2.6 Prokaryotic And Eukaryotic Cells11
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3.1 Biological Elements20
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3.2 Water10
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3.3 Carbohydrates36
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3.5 Lipids16
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3.8 Nucleic Acids15
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Testing For Biological Molecules21
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4.1 Enzyme Action21
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4.2 Factors Affecting Enzyme Activity12
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4.3 Enzyme Inhibitors10
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4.4 Cofactors, Coenzymes And Prosthetic Groups9
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5.1 The Structure And Function Of Membranes14
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5.2 Factors Affecting Membrane Structure5
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5.3 Diffusion11
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5.4 Active Transport8
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5.5 Osmosis10
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6.1 The Cell Cycle20
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6.2 Mitosis15
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6.3 Meiosis19
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6.4 Organisation And Specialisation Of Cells22
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6.5 Stem Cells19
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7.1 Specialised Exchange Surfaces7
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7.2 Mammalian Gas Exchange System20
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7.3 Measuring The Process14
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7.4 Ventilation And Gas Exchange In Other Organisms26
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8.1 Transport In Multicellular Animals21
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8.2 Blood Vessels15
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8.3 Blood, tissue fluid and lymph13
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8.4 Transport Of Oxygen And Carbon Dioxide In The Blood16
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8.5 The Heart37
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9.1 Transport Systems In Dicotyledonous Plants33
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9.2 Water Transport In Multicellular Plants18
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9.3 Transpiration25
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9.4 Translocation18
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9.5 Plant Adaptations To Water Availability23
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10.1 & 2 Classification43
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10.3 Phylogeny5
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10.4 Evidence For Evolution22
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10.5 Types Of Variation13
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10.6 Representing Variation Graphically22
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10.7 Adaptations16
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12.1 Animal And Plant Pathogens24
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12.3 Transmission Of Communicable Diseases16
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23.1 Ecosystems17
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23.2 Biomass Tranfer Through An Ecosystem21
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23.3 Recycling Within Ecosystems24
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23.4 Succession21
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14.1 Hormonal Coordination34
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14.2 Structure And Function Of The Pancreas7
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14.3 Regulation Of Blood Glucose Concentration11
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14.4 Diabetes And Its Control14
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15.1 - The principles of homeostasis7
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15.2 - Thermoregulation in ectotherms12
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15.3 Thermoregulation in endotherms13
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15.4 Excretion, Homeostasis And The Liver26
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15.5 Structure And Function Of The Mammalian Kidney27
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13.2 Neurones12
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13.3 Sensory receptors8
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13.4 Nervous transmissions5
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13.6 Organisation Of The Nervous System13
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13.7 Structure and Function of The Brain17
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13.8 Reflexes7
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13.9 Voluntary And Involuntary Muscles18
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19.2 Control Of Gene Expression16
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13.10 Sliding Filament Model7
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22.1 Natural Cloning In Plants0
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20.1 Variation and Inheritance11
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20.2 Monogenic Inheritance10
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20.3 & 4 Dihybrid Inheritance & Phenotypic Ratios12
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20.5 Evolution12
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20.6 Speciation13
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12.2 Animal And Plant Diseases16
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12.4 Plant Defences Against Pathogens4
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12.5 Non Specific Animal Defences Against Pathogens5
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16.1 - Plant Hormones And Growth In Plants14
