The biological Approach

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  • Created by: EliseCeri
  • Created on: 25-04-16 13:03
What are the assumptions of the biological approach?
1) all behaviour and psychological traits have a biological basis 2) To understand human behaviour, we must look at the role of genes, neurochemistry and the nervous system, 3) behaviour can be inherited
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What is the sceintific name for identical twins?
Monozygotic
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What is the scientific name for non-identical twins?
Dizygotic
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What does the biological approach use twins studies?
They compare the concordance rates between mz's and dz's to determine if a certain characteristic is down to genes.
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What does Concordance Rate mean?
proportion of twins where both individuals share a cetain characteristic.
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what is the scientific name for your set of actual genes
Genotype
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what is the scientific name for the way these genes are expressed
Phenotype
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which of these is influenced by the environment?
Phenotype
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According to the biological approach, what is behaviour?
The result of interation between genes and the environment.
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Who talked of 'natural selection'?
Charles Darwin
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What is the theory of natural selection?
It's the theory that any genetically determined bhaviour that enhances an individual's survival will continue in future generations. because they are more likely to survive.
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Card 2

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What is the sceintific name for identical twins?

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Monozygotic

Card 3

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What is the scientific name for non-identical twins?

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Card 4

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What does the biological approach use twins studies?

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Card 5

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What does Concordance Rate mean?

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