Learning Check Answers

Answers to the Learning Check boxes within the text are provided here for your reference.

Learning Check 6.1

1. According to the text, the past criminality of which type of family member did “family studies” show was the best predictor of whether or not others in family would become criminal?

  1. Male siblings
  2. Grandfather
  3. Mother
  4. Father
  5. All of the above were equal in predicting whether or not a family member would become criminal themselves

Answer: C

2.  According to the text, which type of twins share 50% of their genotype?

  1. MZ twins
  2. DZ twins
  3. XZ twins
  4. ZZ twins

Answer: B

3.  According to the text, studies consistently show which types of twins had the highest concordance rates in terms of criminality (as well as virtually all other behaviors/traits)?

  1. MZ twins
  2. DZ twins
  3. XZ twins
  4. ZZ twins

Answer: A

 

Learning Check 6.2

1. According to the text, numerous adoption studies have shown that which category of adoptees have the highest likelihood of becoming criminal, abased on criminality of their types of parents?

  1. Biological parents criminal/adoptive parents criminal
  2. Biological parents NOT criminal/adoptive parents criminal
  3. Biological parents criminal/adoptive parents NOT criminal
  4. NEITHER biological nor adoptive parents criminal

Answer: A

2.  According to the text, numerous adoption studies have shown that which of the following categories of adoptees have the highest rates of becoming criminals?

  1. Biological parents NOT criminal/adoptive parents criminal
  2. Biological parents criminal/adoptive parents NOT criminal
  3. Both categories have about the same rates of adoptees becoming criminals

Answer: B

3.  According to the text, many studies have shown that identical twins separated at birth have far lower concordance rates in terms of criminality than identical twins raised together.

  1. True
  2. False

Answer: B

 

Learning Check 6.3

1.  According to the text, which type of cytogenetic mutation has been most linked to criminality?

  1. XXY
  2. XXX
  3. XYY
  4. XX

Answer: C

2.  According to the text, which type of neurotransmitter, when in low levels, has been consistently linked by virtually all studies to criminality?

  1. Norepinephrine
  2. GABA
  3. Serotonin
  4. Dopamine
  5. None of the above have been consistently linked to criminality

Answer: C

3.  According to the text, which type of neurotransmitter is likely to have a curvilinear effect with criminality, meaning that both very high and very low levels have been linked to deviant, antisocial behavior?

  1. Norepinephrine
  2. GABA
  3. Serotonin
  4. Dopamine

Answer: D

 

Learning Check 5.4

1. According to the text, which area of the brain seems most important in terms of trauma when considering the likelihood of criminality?

  1. Occipital lobe
  2. Parietal lobe
  3. Frontal Lobe
  4. Cerebellum

Answer: C

2.  According to the text, which type of nervous system deals with the involuntary motor skills, and is key to the “flight or fight” responses we have when in danger?

  1. Central Nervous System
  2. Gastronomic Nervous System
  3. Autonomic Nervous System
  4. Cerebral Nervous System

Answer: C

3.  According to the text, many studies have consistently shown that individuals who have a ____ heart rate and brain waves are more likely to be criminals.

  1. Slower
  2. Faster

Answer: A