Oct2_NS1 - 1....

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1. Understand fitness in the context of natural selection E.  Propose  and  evaluate  different ways to measure fitness in real biological populations 4. Understand how natural selection can cause new alleles (e.g., mutations) to  become removed/common/fixed in populations A.  List  the four postulates of natural selection B.  Define  adaptation, making specific reference to fitness E.  Distinguish  heritable variation and variation that is not heritable F.  Discuss  the causes and consequences of heritable variation and differential survival  and reproduction. G.   When prompted with one of the requirements for natural selection,  describe  (in your  own words) why natural selection could not operate without it H.  Compare  and  relate  the roles of reproduction and survival in natural selection K.  Summarize  (in words, arithmetic or pictures) how natural selection can change allele  and genotype frequencies, even though it only acts upon phenotype
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Announcements You will receive your exam sheets in discussion Exam 1 Key is posted on Exam Info page With questions: 1. Consult the key posted online 2. Consult with your TA 3. Email me
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Time % with  yellow  allele Biological evolution:  a change in  allele  frequencies  within a population over time
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H1N1 the “swine” flu What causes antibiotic or antiviral drugs to become less 
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Oct2_NS1 - 1....

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