Genetic similarity + twin/kinship studies
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6 Terms
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Genetic similarity
shared genetics between individuals of the same or across species
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Genetics similarity
aims to investigate heritability.
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Heritability
proportion of variation between different traits as a result of genetics → based on the inheritance of genes
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Falconer model
aims to predict heritability by comparing behavioural traits in twins
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Twin studies
form of kinship studies used to investigate heritability → genetically very similar or identical material → MZ twins 100%, DZ twins 50%.
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Twin studies used
as they better isolate environment from genetics aids understanding of genetics and behaviour
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