{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Pset2Questions+figures

The change in allele frequency resulting from one

This preview shows pages 3–6. Sign up to view the full content.

Question 5 of 5 4.0 Points The change in allele frequency resulting from one generation of selection is given by p’ - p. The size of this change depends on the starting frequency, p. Using the same fitnesses for the example given in class (w11 = 1, w12 = 0.95, and w22 = 0.9), find p’ - p when p = 0.01. For comparison, in the example from class with p = 0.5 we have p’ - p = 0.013. A. 0.022 B. 0.0063 C. 0.00055 D. 0.00040 E. 0.000017 F. need more information Reset Selection Mark for Review What's This? Part 4 of 7 - Phylogenetics

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
4/12/13 6:34 PM 2013 Problem Set 2 on Evolution Lectures 4-6 Page 4 of 10 https://coursework.stanford.edu/portal/tool/1c2f43e9-1653-4e97-98f7-93a4fbb2cb09/jsf/delivery/beginTakingAssessment Part 4 of 7 - Phylogenetics You discover a new genus of fish with five species. In order to determine the phylogenetic relationships among these species, you examine 5 different characters in each of the five species, as well as in a more distantly-related outgroup. The outgroup has gray scales, no stripes, a short dorsal fin, a narrow body, and a preference for leafy hiding places. The other species, on the other hand, each have some combination of blue scales, stripes, a tall dorsal fin, a wide body, and a preference for rocky hiding places (each of which only evolved once in the genus), according to the following table: Which of the following trees best represents the phylogenetic relationships between the species according to the principle of parsimony? Attachments Question 1 of 5 4.0 Points Which of the following trees best represents the phylogenetic relationships between the species according to the principle of parsimony? A. A B. B C. C D. D E. E F. F Reset Selection Mark for Review What's This? Question 2 of 5 4.0 Points For the next three questions, assume that the most parsimonious tree above is correct. Answer the following based on the most parsimonious tree. Species 1 and 2 together form A. a monophyletic group
4/12/13 6:34 PM 2013 Problem Set 2 on Evolution Lectures 4-6 Page 5 of 10 https://coursework.stanford.edu/portal/tool/1c2f43e9-1653-4e97-98f7-93a4fbb2cb09/jsf/delivery/beginTakingAssessment B. a paraphyletic group C. a synapomorphy D. a polytomy E. a clade F. None of the above Reset Selection Mark for Review What's This? Question 3 of 5 4.0 Points Based on the most parsimonious tree, Species 1 and 2 AND their common ancestor together form Reset Selection Mark for Review What's This?

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page3 / 10

The change in allele frequency resulting from one...

This preview shows document pages 3 - 6. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online