BIOL 102 Lecture Notes - Lecture 1: Sickle-Cell Disease, Missense Mutation, Zygosity

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Evoluion: can be described in several ways but change must be menioned in each deiniion. Evoluion = descent with modiicaion or process of change that has transformed life on earth. Natural selection, genetic drift, and gene flow act upon genetic variation. Populaion: group of individuals in a speciic geographic area. Natural selecion will act upon a populaion and produce beter adapted individuals (survival of the itest) This process of change is evoluion th 2016. An individual in his lifeime will never evolve, only species evolve. Animals are highly adapted to the areas they live in and if they were moved away, they would likely not survive. Dna makes up all life forms and uniies all species. Bacteria suggests common ancestors between all living species through dna because they have the same geneic make up. Natural selecion: natures way of selecing the best adapted.

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