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| threadlike structures made of DNA molecules that contain the genes | ||
| a complex molecule containing the genetic information that makes up the chromosomes | ||
| the biochemical units of heredity that make up the chromosomes; a segment of DNA capable of synthesizing a protein | ||
| the complete instructions for making an organism, containing all the genetic material in its chromosomes | ||
| a random error in gene replication that leads to a change in the sequence of nucleotides; the source of all genetic diversity | ||
| the study of the evolution of behavior and the mind, using principals of natural selection | ||
| in psychology, the characterisitcs, whether biologically or socially influenced, by which people define male and female | ||
| the study of the relative power and limits of genetic and environmental influences on behavior | ||
| every nongenetic influence, from prenatal to the people and things around us | ||
| twins who develop from a single fertilized egg that splits in two, creating two genetically identical organisms | ||
| twins who develop from separate eggs - they are geneticaly no closer than brothers and sisters, but they share a fetal environment | ||
| a person's characteristic emotional reactivity and intensity | ||
| the proportion of variation among individuals that we can attribute to genes - the heritability of a trait may vary, depending on the range of populations and environments studied | ||
| the dependence of the effect of one factor on another factor | ||
| the subfield of biology that studies the molecular structure and function of genes | ||
| an understood rule for accepted and expected behavior - proscribe "proper" behavior | ||
| the buffer zone we like to maintain around our bodies | ||
| self-replicating ideas, fashions, and innovations passed from person to person | ||
| the sex chromosome found in both men and women - females have 2 X chromosomes; males have one - an X chromosome from each parent produces a female child | ||
| the sex chromosome found only in men - when paired with an X sex chromosome from the mother, it produces a male child | ||
| the most important of the male sex hormones - both males and females have it, but the additional testosterone in males stimulates the growth of the male sex organs in the fetus and development of the male sex characteristics during puberty | ||
| a set of expectations (norms) about a social position, defining how those in the position ought to behave | ||
| a set of expected behaviors for males and for females | ||
| one's sense of being male or female | ||
| the acquisition of a traditional masculine or feminine role | ||
| the theory that we learn social behavior by observing and imitating and by being rewarded or punished | ||
| the theory that children learn from their cultures a concept of what it means to be male and female and that they adjust their behavior accordingly |
