1
Q
what is codominance?
A
when both alleles within a genotype are expressed in the phenotype of an individual
2
Q
what is an example of codominance?
A
inheritance of blood group
biology
flashcards
Decks in class (115)
# Cards
-
hormones118
-
random biology things39
-
cells38
-
similarities and differences between plant and animal cells13
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stem cells9
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importance of cell differentiation31
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disadvantages and advantages of using stem cells in medicine13
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specialised cells16
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biological molecules tests6
-
DNA10
-
classifying organisms43
-
movement of substances into and out of cells24
-
practical: investigate diffusion & osmosis using living and non-living systems14
-
photosynthesis21
-
photosynthesis practical11
-
structure of a leaf20
-
components of a balanced diet27
-
digestive system59
-
practical: investigate the energy content in a food sample2
-
respiration15
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practical: investigating respiration5
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gas exchange in plants9
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practical: gas exchange in plants9
-
structure of the gas exchange system27
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transport10
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ventilation12
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gas exchange in the alveoli8
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effects of smoking14
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practical: investigating the effects of exercise on breathing9
-
transport in plants22
-
transpiration15
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practical: transpiration4
-
blood24
-
vaccinations18
-
immune response to disease23
-
pathogens and immune response7
-
platelets and blood clotting8
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the heart14
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effect of exercise on heart rate17
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CHD14
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arteries, veins & capillaries35
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the circulation system22
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excretion15
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the kidney46
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osmoregulation12
-
urea6
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response to stimuli: plants24
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stimuli and receptors3
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human nervous system38
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the reflex arc16
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the human eye29
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thermoregulation13
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reproduction38
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flowering plants33
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human reproductive system14
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roles of oestrogen and progesterone in the menstrual cycle23
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roles of FSH and LH in the menstrual cycle10
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role of the placenta22
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implantation and development of the foetus14
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development of secondary sexual characteristics7
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the genome and genes8
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nucleus and chromosomes10
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DNA structure16
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protein synthesis34
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RNA structure14
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alleles4
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key terms in genetics12
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codominance2
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polygenic inheritance4
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monohybrid inheritance: genetic diagrams3
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family pedigrees2
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sex chromosomes4
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determing the sex of offspring at fertilisation6
-
mitosis9
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importance of mitosis5
-
meiosis16
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random fertilisation and generic variation12
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variation with a species10
-
mutation15
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darwin’s theory of evolution by natural selection9
-
antibiotics7
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population, community, habitat and ecosystem10
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trophic levels8
-
food chains, food webs, pyramids of biomass and pyramids of energy transfer21
-
industrial fermenters28
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genetic revolution8
-
practical: investigating population size15
-
biodiversity4
-
abiotic and biotic factors13
-
carbon cycle5
-
nitrogen cycle28
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biological consequences of air pollution12
-
enhanced greenhouse effect5
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biological consequences of water pollution by sewage8
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biological consequences of eutrophication6
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the effects of deforestation6
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crop plants: glasshouses and polyethene tunnels10
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crop plants: increasing CO2 and temperature2
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crop plants: fertiliser35
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crop plants: pest control14
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yeast in food production11
-
practical: investigate the role of anaerobic respiration by yeast in different conditions11
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role of bacteria in yoghurt production18
-
fish farming18
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selective breeding in plants7
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selective breeding in animals7
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restriction enzymes23
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vectors and recombinant DNA5
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manufacturing human insulin5
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GM plants and food production10
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transgenic3
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the process of micropropagation6
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commercial use of micropropagation4
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the production of cloned mammals10
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cloning to produce human proteins14
