Psychology 1000 Lecture Notes - Lecture 4: Polygynandry, Social Darwinism, Parental Investment

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Hipocrates: (first to ish explain heredity) semen contains sort of design for formation of offspring. Mendel: heredity involves passing on specific organic factors, not just a blend of parent traits. Factors might produce visible traits in offspring or just transmit to another generation. Genotype: the specific genetic makeup of an individual. Some instructions never used, some used on occasion, some always. Phenotype: observable traits produced as result of genotype. Can be affected by other genes and environment. Chromosomes: tightly coiled dna molecule partly covered by protein. Egg and sperm contain these units of heredity. Genes: hereditary blueprint: dna constantly transmit instructions off them for cellular function. Code for protein when activated (70 000 different) Half of all target brain structure and function. Gametes: 23 chromosomes each to form 46 chromosome zygote. Every cell in body has two copies of each gene (mom and dad) except gametes. Allele: alternative forms of a gene that produce different traits.