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thread like structures made of DNA that contain genes
The threadlike structures made largely of DNA molecules are called
DNA (Deoxyribonucleic Acid)
complex molecule containing the genetic information that makes up chromosomes
has two strands forming a double bound helix held together by bonds between pairs of nucleotides
When the mother's egg and the fathers sperm unite, each contributes
biochemical units of heredity that make up the chromosomes
a segment of DNA capable of synthesizing a protein
Fraternal twins result when
two eggs are fertilized by two sperm
develop from a single fertilized egg that splits in two creating two genetically identical organisms
Adoption studies seek to understand genetic influences on personality. They do this mainly by
Evaluating whether adopted children s personalities more closely resemble those of their adoptive parents
Develop from separate eggs
genetically no closer than brothers and sisters, but they share the fetal environment
Personality tends to be stable over time
Temperament seems to be biologically based and tends to remain stable throughout life.
A person's characteristic emotional re-activity and intensity (Chess & Thomas: 3 types : Easy, Slow to warm up and difficult
Evolutionary psychologists are most likely to focus on
natural selection of the fittest adaptions.
the enduring behaviors, ideas, attitudes and traditions shard by large group of people and transmitted from one generation to the next
Natural levels of stimulation are important during infancy and early childhood because during these years
experience activates and preserves neural connections that might other wise die from disuse
an understood rule for accepted and expected behavior
Children and youth are particularly responsive to influences of their
the buffer zone we like to maintain around our bodies
Personal Space the portable buffer zone people like to maintain around their bodies differs from culture to culture, these differences are examples of
a set of expectations (norms) about a social position defining how those in the position ought to behave
Individualist cultures tend to value
A set of expected behaviors for males and females
collectivist cultures tend to value
ones sense of being male or female
Human developmental processes tend to BE THE SAME
from one group to another because we are members of THE SAME SPECIES
the acquisition of traditional masculine or feminine role
a fertilized egg will develop into a boy if it receives
a Y chromosome from its father
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