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Psychology CH. 3 Terms
Terms in this set (15)
A field of psychology emphasizing evolutionary mechanisms that may help explain human commonalities in social practices, perception, emotional responses, and other areas of behavior.
An interdisciplinary field of study concerned with genetic contributions with genetic contributions to individual differences in behavior and personality.
The functional units heredity; they are composed of DNA and specify the structure of proteins.
Within every cell, rod-shaped structures that carry the genes.
The chromosomal molecule that transfers genetic characteristics by way of coded instructions for the structure of proteins.
The full set of genes in each cell of an organism (with the exception of sperm and egg cells), together with noncoding DNA located outside the genes.
A segment of DNA that varies among individuals, has a known location on a chromosome, and can function as a genetic landmark for a gene involved in a physical or mental condition.
The study of stable changes in the expression of a particular gene that occur without changes in DNA base sequences; the Greek prefix "epi-" means "on top of" or "in addition to."
A change in gene frequencies within a population over many generations; a mechanism by which genetically influenced characteristics of a population may change.
The evolutionary process in which individuals with genetically influenced traits that are adaptive in a particular environment tend to survive and to reproduce in greater numbers than do other individuals; as a result, their traits become more common in the population.
An interdisciplinary field that emphasizes evolutionary explanations of social behavior in animals, including human beings.
A statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group.
Twins that develop from two separate eggs fertilized by different sperm; they are no more alike genetically than any other pair of siblings.
Twins that develop when a fertilized egg divides into two parts that develop into separate embryos.
A measure of intelligence originally computed by dividing a person's mental age by his or her chronological age and multiplying the result by 100; it is now derived from the norms provided for standardized intelligence tests.
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