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Neutralism - Winona State University
Neutralism - Winona State University

... The selectionist argumentsA. Propose selection schemes that explain persistence of many polymorphisms while only conferring a minor genetic load. Ex. Frequency-dependant selection-incurs genetic load only when the frequency of the relatively rare selected allele is changing but produces no genetic l ...
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...  Understand the concept of linked genes and the results that indicate linkage between two genes.  Apply the results of recombination frequency analysis to map the relative positions of genes on a chromosome. ...
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... Fifty percent of an experimental population of four o’clock flowers are red flowered plants, and 50 percent are white flowered plants. What is the frequency of the r ...
Evolution Review
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... Name Date Period Evolution Review: Answer the following questions and make a flash card for each question. 1. In natural selection, those with _________ traits for the environment ___________ and get to ____________. 2. How keeps lethal recessive alleles in a population? __________________ 3. What i ...
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... Microevolution: changes that occur over a small number of generations Macroevolution: changes that happen over many generations Population: a group of organisms of the same species occupying a particular geographic region. Genotype: the genetic make-up of an organism. ...
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... • Tested and re-tested by many scientists • States that: • Variations in individuals can lead to changes in whole species ...
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... modern discussions of historical progress in the past two centuries. From Australopithicus afarensis to Homo sapiens, or from the pyramids of Giza to the Empire State Building in New York, laws of evolution allowed humans to connect a sense of universal time with patterns of changes of physical form ...
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... Questions to be able to answer in your own words using scientific vocabulary: 1. Define biological evolution and give a specific example to support your definition. 2. Explain the difference between a scientific theory and a scientific fact. 3. Explain how the process of natural selection can cause ...
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15.2 PDQ - Biology with Radjewski
15.2 PDQ - Biology with Radjewski

... 2. Explain, “natural selection acts on individuals, but populations evolve” • Changes that occur are developmental in a single organism over the course of a life cycle. • After breeding  populations will evolve ...
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... 9. Embryos of several types of animals that look very similar during the early stages of development indicate that they may have a common __ ANCESTOR ___. 10. The process of humans choosing variations that they find useful is known as __ARTIFICIAL SELECTION__ (2 words). 11. _ VESTIGIAL __ structures ...
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... Mechanisms of Evolutionary Change – “Microevolutionary Processes” (1) Mutation: Ultimate natural resource of evolution, occurs at the molecular level in DNA. (2) Natural Selection: A difference, on average, between the survival or fecundity of individuals with certain arrays of phenotypes as compare ...
Nineteenth-Century Evolutionism
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... i. Were they human? ii. Did they have free will/morality or were they part of “brute natural law”? iii. How to explain social differences? Early answers a. Degenerationism b. Progressivism i. Goals Foundations of Biological-Evolutionary Thought a. Linnaeus b. Leclerc c. Lamarck and Erasmus Darwin d. ...
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... 6. On page 441, the book states, “only selection regularly produces adaptive evolutionary change, but the genetic constitution of populations, and thus the course of evolution, can also be affected by mutations, gene flow, nonrandom mating, and genetic drift.” Explain the distinction. ______________ ...
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Dual inheritance theory

Dual inheritance theory (DIT), also known as gene–culture coevolution or biocultural evolution, was developed in the 1960's through early 1980s to explain how human behavior is a product of two different and interacting evolutionary processes: genetic evolution and cultural evolution. In DIT, culture is defined as information and/or behavior acquired through social learning. One of the theory's central claims is that culture evolves partly through a Darwinian selection process, which dual inheritance theorists often describe by analogy to genetic evolution.'Culture', in this context is defined as 'socially learned behavior', and 'social learning' is defined as copying behaviors observed in others or acquiring behaviors through being taught by others. Most of the modeling done in the field relies on the first dynamic (copying) though it can be extended to teaching. Social learning at its simplest involves blind copying of behaviors from a model (someone observed behaving), though it is also understood to have many potential biases, including success bias (copying from those who are perceived to be better off), status bias (copying from those with higher status), homophily (copying from those most like ourselves), conformist bias (disproportionately picking up behaviors that more people are performing), etc.. Understanding social learning is a system of pattern replication, and understanding that there are different rates of survival for different socially learned cultural variants, this sets up, by definition, an evolutionary structure: Cultural Evolution.Because genetic evolution is relatively well understood, most of DIT examines cultural evolution and the interactions between cultural evolution and genetic evolution.
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