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The top documents tagged [directional selection]
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Finch Beak Handout
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Evolution powerpoint!
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Natural Selection on Polygenic Traits. Effects of natural selection on polygenic traits are very complex Can affect the distributions of phenotypes in
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Natural Selection on Polygenic Traits. Mechanisms of Evolution –The main causes of evolutionary change are genetic drift, gene flow, and natural selection
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Population Evolution Biology Chapter 16 1. Genetic Variation Populations always show variation in traits – no two individuals are EXACTLY the same Variations
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Unit 5 – Lecture 3. Types of Evolution Macroevolution change of one kind of organism into another macro = large this has not been observed, but is assumed
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What are Darwin's finches? When Darwin fist came to the Galapagos islands back in the 1800s he noted that there existed a variety of finches that all
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15.3 NOTES. Genetic Drift A random change in the frequency of an allele in a population NOT due to natural selection. More likely to occur in small populations
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Genetic Variation - The fuel of natural selection Campbell et al, chapter 23
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Chapter 15 Evolution. Think About It? What is evolution? What is evolution? Why does it happen? Why does it happen? How does it happen? How does it happen?
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Individuals are selected, but populations evolve Population genetics Modern synthesis Population Species Gene pool
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Selection and Speciation. Write a sentence to describe what the phrase ‘survival of the fittest’ means to you
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