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4 Marker

Genetic theories believe criminality is inherited

the closer you are related to someone criminal the higher the likelihood of sharing the same characteristics this is known as a concordance rate

so if my parents are crimson there is a higher concordance rate than if my cousin was a criminal

one way it can be studied is twins

two types Monozygotic and Dizygotic twins

MZ - 100% same DNA = higher concordance rate

DZ - 50% same DNA like siblings

6 marker

Ishikawa and Raine 44% concordance in MZ and only 22% in DZ

Lange 10/13 MZ twins both served time in prison compared to 2/17 in DZ

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clear correlation in DNA and criminality

many studies prove it

highly scientific

simple to understand

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self fulfilling prophecy

discrimination

creates guilt and blame

only considers nature

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4 marks

genetic theories believe criminality is inherited

genetic theories believes the closer you are related to someone criminal the higher likelihood of sharing the same characteristics known as concordance rate

if my parents are criminal i have a higher chance of being criminal compared to if my cousin was a criminal

one way to show this is adoption

if higher concordance rate with biological parents compared to adoptive parents criminality must be inherited

Hutchings and Mednick studied 14,000 adopted sons. They found that sons were more likely to have a criminal record if a birth parent also had a record finding a 20% concordance rate but only a 14% concordance rate with adoptive parents

6 marks

Mednick et al found no relationship between criminal records of adoptive parents and children but there is with biological parents and their offspring

Crowe found a 50% concordance rate between biological mother and only 5% with adoptive mother

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studies to prove it

easy to understand

clear correlation

ecological validity

objective

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discrimination

self fulfilling prophecy

generalising

studies are in denmark only

age of adoption isn’t considered

adoption process isn’t random

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Wordwall - Create better lessons quicker

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Complete the sentence - A cloze activity where you drag and drop words into blank spaces within a text.

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Wordwall - Create better lessons quicker

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Crossword - Use the clues to solve the crossword. Tap on a word and type in the answer.

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Twin and Adoption Studies | WJEC Criminology | Unit 2 | A.C. 2.1

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You won't need ALL the material on this page. You need to know about twin studies and adoption studies in general for the Biological Approach in Unit 1 . They're also useful for discussion the...

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Evaluate the effectiveness of a range of biological theories to explain criminality (9)

Examine the strengths of biological theories to explain criminality (6)

Describe one genetic theory (6)

Describe the genetic theories (9)