PSY 101 Chapter Notes - Chapter 4: Twin, Prenatal Nutrition, Behavioural Genetics
Document Summary
1: genes our codes for life chromosomes threadlike structures made of dna molecules that contain the genes. When turned on, genes provide the code for creating protein molecules the building blocks of physical development. Most of our traits are influenced by many genes complex traits such as intelligence, happiness, and aggressiveness are similarly influenced by groups of genes. Bouchard and his colleagues located and studied 80 pairs of identical twins reared apart. Dmitry belyaev"s experiment of transforming fearful foxes into friendly foxes. When certain traits are selected by conferring a reproductive advantage to an individual or a species those traits, over time, will prevail. 6: an evolutionary explanation of human sexuality gender in psychology, the biologically and socially influenced characteristics by which people define male and female. Men who were drawn to healthy, fertile-appearing women, women with smooth skin and a youthful shape suggesting many childbearing years to come, stood a better chance of sending their genes into the future.
