IB_1108_L15_Population.docx - Population Genetics PRE-LAB...

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PRE-LAB QUESTIONS Assumptions: There are approximately 3,000,000,000 base pairs in the mammalian genome (genes constitute only a portion of this total). There are approximately 10,000 genes in the mammalian genome. A single gene averages 10,000 base pairs in size. Only 1 out of 3 mutations that occur in a gene result in a change to the protein structure. In the mammalian genome: 1. How many total base-pairs are in all the mammalian genes? Population Genetics
2. What proportion (%) of the total genome does this represent?
3. What is the probability that a random mutation will occur in any given gene?
4. What is the probability that a random mutation will change the structure of a protein?
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EXPERIMENT 1: GENETIC VARIATION Post-Lab Questions Part 1 1. What is the initial gene pool of beaker #1?
5. What is the initial gene pool of beaker #2?
6. What is the initial gene frequency of beaker #1?
7. What is the initial gene frequency of beaker #2?
8. What can you say about the genetic variation between these populations?
Part 2 1. What is the new gene pool of beaker #1?
9. What is the new gene pool of beaker #2?

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