Week 4

Question 1

Nature

Answer 1

genes (hereditary)

Question 2

Nurture

Answer 2

experience(learning)

Question 3

all of our cells contain __ pairs of chromosomes in the nucleus

Answer 3

23

Question 4

chromosomes are coiled strands of

Answer 4

DNA

Question 5

___ are segments of DNA that contain instructions for building protein molecules

Answer 5

genes

Question 6

genotype

Answer 6

the set of genes you have inherited

Question 7

phenotype

Answer 7

your physical characteristics

Question 8

passive gene-environment interactions

Answer 8

genes lead to certain charactersistics, the world responds differently to us because of those characteristics

Question 9

active

Answer 9

genes cause us to seek out certain experiences

Question 10

epigenetic

Answer 10

genes turn on or off in response to environmental factors

Question 11

genes turn on or off in response to ___________

Answer 11

environmental factors

Question 12

family studies

Answer 12

can study psychological disorders across a family tree and its patterns

Question 13

monozygotic twins

Answer 13

identical
- share 100% of their genetic material because they developed from the division of a single fertilized egg

Question 14

dizygotic (fraternal) twins

Answer 14

share 50% of their genetic material because they developed from two separate fertilized eggs

Question 15

twin studies

Answer 15

look for differences in correlation

Question 16

heritability

Answer 16

a measure of how much of the variability between individuals in a sample is due to differences in genes
- it is about groups, not individuals