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Unformatted text preview: i.e. discuss what mechanism in eukaryotic cells can account for this discrepancy. b) It is believed that there are on the order of a thousand transcription factors, with so few transcription factors how can we independently control each gene? 9. (6pts) It was recently discovered that 75% of predicted human proteins have a homolog in the genome of Fugu rubripes , a pufferfish. What kinds of proteins might these genes code for? What kinds of proteins might the other 25% code for? see http://www.sciencemag.org/cgi/gca?gca=1072104 & http://www.fugu-sg.org for additional information (Note: you may need to be connected to the school system to access the article) 10. (4pts) Genetic variation between members of the same species is usually quite small in terms of differences in base pairs and extremely small in terms of gene location within the DNA strands. Identify a possible selection pressure that would fix gene location....
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- Fall '02