Anthropology 101 1st Edition Lecture 4 Outline of Last Lecture I Movie Outline of Current Lecture II Hardy Weinberg Law III Genetic Drif a Definition IV Founders effect a Definition V Gene Flow VI Ecological niche VII Primates a Prosimians b Monkeys i New world ii Old world c Apes i Lesser ii greater d humans VIII Mendels laws a Segregation b Independent assortment XI Dating XII Holistic XIII Artifact XIV Law of superposition Current Lecture Hardy Weinbery Law Genetic makeup of population stays the same if 1 Group is big enough 2 Mating is random 3 No new genetic material 4 All individuals equally likely to mate and survive These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Conditions are never completely met if they were met natural selection would not occur Genetic Drif Shif in genetic composition of a group population that you can t account for Increase height and robustness of American population Founder s effect Population is established by a very small number of individuals from a larger population Gene flow New genetic material coming into populations Movement of organisms from one population to another Ecological niche The status of an organism within its environment and community affecting its survival as a species Mendel s Laws 1 Segregation a When genes combine in a new organization they don t blend into each other b As generations precede the genes don t blend the genes stay the same unless there is a spontaneous mutation c Some genes may drop out get passed on d Maintain original identity in the individual you don t always see them in a person 2 Independent assortment a Genes do not go from one generation to the next they are passed on independently Primates order Prosimians o 2 classes Monkeys o Old world o New world Apes o Lesser o Great Humans Dating Relative o A way of saying which came for the other thing o Depends on other sites or things or human animal remains that are before or afer it Absolute o Chronometric o Not necessarily fixed o Before x and afer y Holistic All encompassing Artifact Made by skill Anything a person made Relatively portable thing pots spear points things that throw spears stone tools Law of superposition N O All of other things being equal new things on top of old stuff Before people accepted that the earth went through a series of phases fires earthquakes explosions ect
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