Lab 15: Population Genetics - eScience Labs
Lab 15: Population Genetics - eScience Labs
Lab 15: Population Genetics - eScience Labs
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<strong>Lab</strong> <strong>15</strong>: <strong>Population</strong> <strong>Genetics</strong><br />
4. The remaining beads survived and reproduced.<br />
5. Count how many red and blue beads remained (separately) and place twice that number<br />
back in the beaker.<br />
6. Repeat the process 7 times.<br />
Questions<br />
1. What is the remaining ratio of alleles?<br />
2. Have any been selected against?<br />
3. Given enough generations, would you expect one of these alleles to completely disappear<br />
from the population? Why or why not?<br />
4. Would this be different if you started with a larger population? Smaller?<br />
5. After hundreds or even thousands of generations both alleles are still common in those<br />
of African Ancestry. How would you explain this?<br />
6. The worldwide distribution of sickle gene matches very closely to the worldwide distribution<br />
of Malaria.<br />
(http://www.cdc.gov/malaria/distribution_epi/distribution.htm)<br />
Is this significant? Why or why not?<br />
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