Chapter 4

Question 1

Behaviour genetics

Answer 1

The study of the relative power and limits of genetic and environmental influences on behaviour.

Question 2

Environment

Answer 2

Every non-genetic influence, from prenatal nutrition to the people and things around us.

Question 3

DNA

Answer 3

A complex molecule containing the genetic info that makes up the chromosomes.

Question 4

Genes

Answer 4

The biochemical units of heredity that make up the chromosomes.

A segment of DNA capable of synthesizing a protein.

Question 5

Genome

Answer 5

The complete instructions for making an organism, consisting of all the genetic material in that organism’s chromosomes.

Question 6

Temperament

Answer 6

A person’s characteristic emotional reactivity and intensity.

Question 7

Molecular genetics

Answer 7

The subfield of biology that studies the molecular structure and function of genes.

Question 8

Epigenetics

Answer 8

The study of influences on a gene expression that occur without a DNA change.

Question 9

Mutation

Answer 9

A random error in a gene replication that leads to a change.

Question 10

Individualism vs Collectivism

Answer 10

Giving priority to ones own goals over group goals.

Giving priority to goals of ones group and defining ones identity accordingly.

Question 11

X & Y Chromosomes

Answer 11

X chromosome found in both men and women. Females have two and men have one. One X chromosome from each parent = female child.

Y chromosome found only in males. When paired with an X chromosome for the mother it = a male child.

Question 12

Social learning theory (Bandura)

Answer 12

Theory that we learn social behaviour by observing and imitating and by being rewarded or punished.

Question 13

Behaviour geneticist

Answer 13

Studies the differences between individuals and weighs the effects and interplay of heredity and environment.