PSYCH 2AA3 Lecture Notes - Lecture 3: List Of The Keys To The Kingdom Characters, Gene, Serotonin Transporter

• School: McMaster University
• Department: Psychology
• Course: PSYCH 2AA3
• Professor: Jennifer Ostovich

Document Summary

Genes and environment work together and affect one another. Concordance the presence of the same trait in both members of a pair of twins. Epigenetics genes do code for certain environment reactions, but environment can actually alter your genes. This can actually be passed on to offspring as well. Genotype set of genes that you"ve inherited. Phenotype how you express your genotype. Ex. genotype for height, but raised with decreased nutrition, may never as be tall as you were to be. Ex. height changes in japan, used to be short, but suddenly japanese people were becoming taller (related to nutrition?) Ex. psychiatric disordersyou are more likely to express these disorders when you were in a type of environment that made the expression more likely. Caspi et alstudy that looked at depression. These authors were interested in gene and environment. You have lower levels if expressed a certain way. Then looked at life events (married, pet died)