HSCI 216 Lecture Notes - Noncoding Dna, Mutation Rate, Nuclear Dna

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cyanmouse991

27 Jul 2012

School

Simon Fraser University

Department

Health Sciences

Course

HSCI 216

Professor

Pablo Nepomnaschy

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Document Summary

By observing we know mutation rates are different. Why: accumulation (not the rate of mutation) is faster in junk dna. Mutation rate: how quickly/often in each generation do we see mutations when mutation occurs in functional piece of dna. Accumulation: how many of those do we see across a piece of dna when mutation occurs in non-functional piece of dna: this is how it is used as a clock *** Therefore an evolutionary explanation for why birds migrate south. Life history theory: ontogeny: development, biological fitness: how many offsprings you leave. Inclusive fitness: positive effect on the fitness of relatives. Rb>c: 1 is your own r value, this is a mathematical explanation for why someone would not save a. 25 is cousin: optimizing resource allocation throughout the life span relative etc. Energy used for one purpose, cannot be used for another.

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HSCI 216 Lecture Notes - Noncoding Dna, Mutation Rate, Nuclear Dna

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