Answers1-2 - Biology 180 Answer to Study Questions: Week...

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Biology 180 Answer to Study Questions: Week 1-3 Evolution 1- Transitional fossils (e.g: evolution of whales from 4 legged ancestors, birds from feathered dinosaurs). Extinction: many more species than those that exist today have gone extinct (first described extinct species was Irish elk described by Cuvier). 2- a. By inheritance of acquired characteristics (elaborate) b. By evolution by natural selection (elaborate) c. Use replica-plating to show that mutations are preexisting rather than a result of the selective force (elaborate how) (OR do a Luria-Delbrück type of experiment, I only mentioned this in lecture, FYI, if acquired the proportion of resistant colonies will be reproducible from plate to plate whereas if preexisting it will vary widely). Mendelian Genetics 1- a. P BBrr X bbRR F1 BbRr X BbRr F2 9 B-R-: 3 B-rr : 3 bbR-: 1 bbrr b. 1/16 will be bbrr in the F2. BR Br bR br BR BBRR BBRr BbRR BbRr Br BBRr BBrr BbRr Bbrr bR BbRR BbRr bbRR bbRr br BbRr Bbrr bbRr bbrr c. It will be solid white. 2- a.
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This note was uploaded on 11/02/2011 for the course BIOL 11102 taught by Professor Parks,john during the Spring '11 term at University of Washington.

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Answers1-2 - Biology 180 Answer to Study Questions: Week...

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