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23 Chromosomes

A human sperm cell contains


one of the most consistently damaging teratogens is

biologically and socially influenced

gender refers to the ____ characteristics by which we define male and female


the heart begins to beat during the ______ period of prenatal development

emotional excitability

An infants temperment refers most directly to its

the environment

The impact of our cultural backgrounds on the development of our personal values best illustrates the influence of

facelike image

newborns have been observed to show the greatest visual interest in a

family loyalty

people living in a culture that promotes collectivism are more likely than those in individualist cultures to report exeperiencing

fear dangerous animals, love their own kids, seek healthy-looking mates

an evolutionary psychologist would suggest that people are genetically predisposed to

fear; similiar

At about 8 months of age, people across the world start to _____ strangers; as adults, they prefer the company of those whose attributes are _______ to their own.

gender simularities are much greater than gender differences

in considering gender differences, you should remember that

the human gene pool

since 1960, most Western cultures have changed with remarkable speed. the LEAST likely explanation for these variations involves changes in

less; less

compared with men, women are _______ likely to desire more frequent sex and ______ likely to perceive simple friendliness as a sexual come-on.

mature and affluent

women are most likely to be sexually attracted to men who seem

more likely to display signs of humility and more likely to defer to others wishes

compared with people in individualist cultures, those in collectivist cultures are

open the mouth in search of a nipple when touched on the cheek

babies are born with several reflexes for getting food. one of these is to

religious beliefs; personality traits

the home environment most clearly has a greater influence on children's _______ than on their _______.

rules for socially acceptable behavior

norms are best described as

the sense of being male or female

gender identity refers to

a set of expected behaviors for males or for females

a gender role refers to

set of genetic material in an organisms chromosomes

the genome is the complete


developmental psychologists study physical, cognitive, and _____ changes throughought the human lift span

substance that can cross the placental barrier and harm an unborn child

a teratogen is a


compared with environmentally impoverished rats, those rats housed in enriched envrionments experienced a dramatic increase in the number of their


female children are more likely to be labeled "tomboys" if they were exposed to excess _____ during their prenatal development

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