Biological theories (genetic)

Question 1

What are the three genetic theories?

Answer 1

Jacob’s xyy study
Twin studies
Adoption studies

Question 2

how many pairs of twins were experimented?

Answer 2

30

Question 3

Men with the extra Y chromosome are known to be “__” and “__ __”

Answer 3

Aggressive and hyper masculine

Question 4

xyy men are more common in the ___ population

Answer 4

prison

Question 5

What contention do the twin studies support?

Answer 5

that a heritable trait may increase the risk of criminal behaviour

Question 6

Identical twins are known as ___ (_)

Answer 6

monozygotic (MZ)

Question 7

Non-identical twins are known as ___ (_)

Answer 7

dizygotic (DZ)

Question 8

/ MZ twins have both served time in prison

Answer 8

10/13

Question 9

/ DZ twins both had criminal behaviour

Answer 9

2/17

Question 10

Criminals are compared to their ___ and ___ parents

Answer 10

biological and adoptive

Question 11

Found that __ with criminal convictions had __ parents
with criminal convictions too

Answer 11

boys
biological

Question 12

How many adopted children were studied?

Answer 12

14,000