PSYCH 101 Lecture Notes - Lecture 14: Mitosis, Ectoderm, Red Queen Hypothesis
11 Oct 2017
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Document Summary
Chromosomes are threadlike structures made of dna that contain the genes. Dna (deoxyribonucleic acid) is a complex molecule containing the genetic information that makes up the chromosomes. Genome means the complete instructions for making an organism. The observed characteristics of that individual how the genes are expressed. We are the proud owners of roughly 30,000 genes. That"s about twice as many as a fruit fly. We share about 99% with our closest genetic cousins (the chimpanzees) Genes have been linked to addiction, shyness, thrill seeking, sexual orientation, etc. Evolutionary psychology variations, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations sequence of nucleotides. Mutations are random errors in gene replication that lead to a change in the. The two major sources of genetic diversity are sex and mutations. First dinosaurs and mammals: 225 million years ago. First anatomically modern humans: 150 thousand years ago.
