EVOLUTION OF BEHAVIOR

Question 1

inborn genetic endowment

Answer 1

heredity

Question 2

extent to which the properties controlled by a gene, its phenotype, will be expressed

Answer 2

penetrance

Question 3

basic unit of heredity

Answer 3

genes

Question 4

when cells go through meiosis, portions of the chromosome are lost

Answer 4

deletion

Question 5

parts of the chromosome are flipped

Answer 5

inversion

Question 6

parts of the chromosome stick together and switch

Answer 6

translocation

Question 7

chromosomes don’t separate correctly and either too many or not enough are passed on

Answer 7

non-disjunction

Question 8

most traits are influenced by multiple genes

Answer 8

polygenic

Question 9

study of the evolution of behavior and the mind, using the principles of natural selection

Answer 9

evolutionary psychology

Question 10

changes that occur in a population over time

Answer 10

evolution

Question 11

random error in the gene that lead to a change in the sequence of nucleotides

Answer 11

mutation

Question 12

among the range of inherited trait variations, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations

Answer 12

natural selection

Question 13

within the lifetime

Answer 13

proximate

Question 14

why change has occurred over years

Answer 14

ultimate

Question 15

idea that anything natural is good or the more recent traits are better

Answer 15

naturalistic fallacy

Question 16

study of the relative power and limits of genetic and environmental influences on behavior

Answer 16

behavior genetics

Question 17

every nongenetic influence, from prenatal nutrition to the people and things around us

Answer 17

environment

Question 18

both _____ and _____ interact to shape human behavior

Answer 18

genes and environment

Question 19

proportion of variation among individuals that we can attribute to genes

Answer 19

heritability

Question 20

develop from a single fertilized egg that splits in two, creating two genetically identical organism

Answer 20

identical twins

Question 21

develop from separate eggs

Answer 21

fraternal twins

Question 22

the enduring behaviors, ideas, attitudes, and traditions shared by a large group of people and transmitted from one generation to the next

Answer 22

culture

Question 23

an understood rule for accepted expected behavior

Answer 23

norm