{"id":103,"date":"2017-12-01T21:29:35","date_gmt":"2017-12-01T21:29:35","guid":{"rendered":"http:\/\/blogs.oregonstate.edu\/denvergeneticsbi311\/?p=103"},"modified":"2017-12-01T21:29:35","modified_gmt":"2017-12-01T21:29:35","slug":"quiz-5-answers","status":"publish","type":"post","link":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/2017\/12\/01\/quiz-5-answers\/","title":{"rendered":"Quiz #5 Answers"},"content":{"rendered":"<p><strong>Correct answers in Bold.<\/strong><\/p>\n<p><strong>#1. (5 points)<\/strong> When population size is large and mutation rates are low (~10<sup>-8<\/sup>), as an evolutionary force mutation is generally characterized as:<\/p>\n<p>A. Strong<\/p>\n<p><strong>B. Weak<\/strong><\/p>\n<p>C. Balancing<\/p>\n<p>D. Beneficial<\/p>\n<p>&nbsp;<\/p>\n<p><strong style=\"font-size: 1rem\">#2. (5 points)<\/strong><span style=\"font-size: 1rem\"> You sequenced a RNA polymerase gene from <\/span><em style=\"font-size: 1rem\">Caenorhabditis elegans<\/em><span style=\"font-size: 1rem\">, and a RNA polymerase gene from its sister species <\/span><em style=\"font-size: 1rem\">Caenorhabditis briggsae<\/em><span style=\"font-size: 1rem\">. You performed a Ka\/Ks analysis on these genes and the calculated value was 0.005. What kind of selection is mostly likely influencing the evolution of these genes?<\/span><\/p>\n<p><strong>A. Negative (or, purifying) selection<\/strong><\/p>\n<p>B. Positive (or, directional) selection<\/p>\n<p>C. Balancing selection<\/p>\n<p>D. Neutrality (no selection)<\/p>\n<p>&nbsp;<\/p>\n<p><strong>#3.<\/strong> You are studying the population genetics of Mendel\u2019s pea plants. You remember that they are diploid, and that the G allele is fully dominant and results in yellow peas; the g allele is recessive and results in green peas (when homozygous, of course). Upon visiting a field, you discover 200 pea plants. 160 of the plants produce yellow peas, and 40 of the plants produce green peas. Assume this population is in Hardy-Weinberg equilibrium.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Part A. (3 points)<\/strong> What is the <u>genotype frequency<\/u> for gg plants?<\/p>\n<p><strong>40\/200 = 0.20<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Part B. (3 points)<\/strong> What is the <u>allele frequency<\/u> for g?<\/p>\n<p><strong>q = 0.447<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Part C. (4 points)<\/strong> What is the expected number of <u>heterozygous plants <\/u>in this population?<\/p>\n<p><strong>98.9 (or round to 99) plants<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Correct answers in Bold. #1. (5 points) When population size is large and mutation rates are low (~10-8), as an evolutionary force mutation is generally characterized as: A. Strong B. Weak C. Balancing D. Beneficial &nbsp; #2. (5 points) You sequenced a RNA polymerase gene from Caenorhabditis elegans, and a RNA polymerase gene from its &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/2017\/12\/01\/quiz-5-answers\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Quiz #5 Answers&#8221;<\/span><\/a><\/p>\n","protected":false},"author":4943,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1210080],"tags":[],"class_list":["post-103","post","type-post","status-publish","format-standard","hentry","category-answers"],"_links":{"self":[{"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/posts\/103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/users\/4943"}],"replies":[{"embeddable":true,"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/comments?post=103"}],"version-history":[{"count":1,"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/posts\/103\/revisions"}],"predecessor-version":[{"id":104,"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/posts\/103\/revisions\/104"}],"wp:attachment":[{"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/media?parent=103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/categories?post=103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dev.blogs.oregonstate.edu\/denvergeneticsbi311\/wp-json\/wp\/v2\/tags?post=103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}