PSYCH101 Chapter Notes - Chapter 3: Homo Habilis, Homo Erectus, Homo Sapiens

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Paul Wehr

Document Summary

Genes: the basic units of heredity; genes are responsible for guiding the process of creating the proteins that make up our physical structures and regulate development and physiological processes throughout the lifespan. Dna (deoxyribonucleic acid): a molecule formed in a double-helix shape that contains 4 nucleotides: adenine, cytosine, guanine, and thymine (a, c, g, t) Genotype: the genetic makeup of an organism the unique set of genes that comprise the individual"s genetic code. Phenotype: the physical traits of behavioral characteristics that show genetic variation, such as eye color, the shape and size of facial features, and even personality. Chromosomes: structures in the cellular nucleus that are lined with all of the genes an individual inherits. Have 23 chromosomes (half from mother and half from father) Homozygous: 2 corresponding genes at a given location on a pair of chromosomes are the same. Behavioral genomics: the study of dna and the ways in which specific genes are related to behavior.