PSY 302 Chapter 3: PSY 302 - Week 3: CHAPTER 3 NOTES (BRAIN AND BEHAVIOR)

• School: Ryerson University
• Department: Psychology
• Course: PSY 302
• Professor: Margaret Moulson

Document Summary

All aspects of a person are a result of genetic and environmental interactions. Either one is no more influential than the other. Gregor mendel austrian monk, linked inheritance patterns of humans to that of pea plants. Genome complete set of genes within particular organism. Genotype genetic material that is inherited. Phenotype expression that is seen of a genotype. Environment all individual components of a person, along with their surroundings (prenatally as well) Get both of same allelle i. e. 2 dominant or 2 recessive and that will be expressed (homozygous) Get one of each type one dominant and one recessive and dominant will be expressed (heterozygous) Recessive only expressive if dominant not present: polygenic inheritance i. e. traits shyness, agression, language learning abilities. Dna is fixed but environment has impact on genes and the way they are expressed (epigenetic mechanisms) can be passed on to offspring. Explains difference b/w identical twins development through life.