Anthropology 1020E Lecture Notes - Dna Replication, Guanine, Cytosine
22 Jan 2013
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Chapter 2 and 3 (37-48: film: on the origin of species, survival of the fittest-inequalities inevitable, Darwin never came up with the term survival of the fittest . People see it in terms of people"s behaviour, principle linked up to peoples moral attitudes and judgments. Micro-organisms: evidence of natural selection happening: sociobiology behaviours biologically programmed. Research things like human aggression: various perspectives. Darwin and wallace: more offspring are produced than can survive competition, the environment determines whether a trait is beneficial. Individuals with the most beneficial variations (traits) are more likely to survive. Individuals with beneficial traits have greater reproductive success. Mechanism for natural selection: darwin didn"t understand exactly how. Blending: 50/50 of children getting each from parent. Homunculus: male sperm had a little person inside. Discover structure of deoxyribonucleic acid (dna: protein synthesis, replication. Humans have 46 chromosomes (23f,23m: chimpanzees-similar dna to humans. Two strings of nucleotides: sugar-phosphate + base.
