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PSY 351 Chapters 3&4

Exam 1

QuestionAnswer
Behavior genetics determine the contribution that genes make to individual differences in behavior and development; genetic overlap increases similarity among people for certain characteristics (IQ, schizophrenia)
Adoption studies a way we study heritability; assess heritability among children reared apart
A way we study heritability compare identical and fraternal twins
Reaction range environment plays a role but there is a limit on its influence; assumes a child is a passive recipient of their environment, which is generally incorrect
Passive gene-environment correlation child does nothing to create environment
Evocative gene-environment correlation child does something to prompt environment
Active gene-environment correlation on their own, children seek environments consistent with their genetic makeup
Autosomal and X-linked disorders genetic disorders, result from combination of alleles
Structural defects genetic disorders, defects result from actual physical changes in the chromosomes
In vitro fertilization use of surrogate, using donor eggs insemination of mother with donor sperm
Teratogens interference with development of a fetus, may result in birth defects
Five principles of teratogens effect depends on genetic makeup of fetus, timing, and it may be unique and severe, differ in how they gain access to the fetus, degree of harm increases with the fetus’ dosage of the teratogen
Created by: AliRutherford
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