3.1 genetic influences on behaviour Flashcards Preview

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Flashcards in 3.1 genetic influences on behaviour Deck (16)
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1

nature

gene influences

2

nuture

environmental influences

3

genes are in every cell of our body

inherited traits of our ancestors
hold DNA

4

genotype

the specific combination of genes that form an individuals DNA

5

Phenotype

the physical or behavioural traits we possess

6

behavioural genomics

the field devoted to investigating how a person's genetic code influences their psychological traits

(HUMAN GENOME PROJECT)

7

human genome project

provided a complete list of the genes found in humans and their distribution on human chromosomes

8

behavioural genetics

field devoted to investigating the extent that genes vs a persons environment contribute to particular psychological traits
(twin studies)
-monozygotic-identical
-dizygotic- fraternal
(adoption studies)
-biological parents share genes
-adoptive parents share environment

9

heritability

a number b/w o and 1.0 that represent the proportion of differences in a trait across individuals that is caused by genetic influences

10

heritability of depression and anxiety for 3 year olds is

.76

11

humans are both diff and similar to one another because of our

genes

12

theory of evolution

charles darwin found where are genes come from

13

evolutionary psychology

a field aimed at revealing how the traits that we inherited from our ancestors (and that we share with one another) control our thoughts and behaviours
-reproductively significant behaviour

14

intrasexual selection

members of the same sex compete to mate with the other sex
causes physical differences b/w males and females of a species

15

intersexual selection

-attract with dance, beauty, skills
selecting mates with certain traits

16

genes

-there from the beginning
-the program that developed us and our brains

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