{"id":249132,"date":"2017-05-24T12:50:41","date_gmt":"2017-05-24T16:50:41","guid":{"rendered":"http:\/\/www.rochester.edu\/newscenter\/?p=249132"},"modified":"2017-10-18T09:30:02","modified_gmt":"2017-10-18T13:30:02","slug":"in-pictures-high-schoolers-come-face-to-face-with-fruit-flies-249132","status":"publish","type":"post","link":"https:\/\/www.rochester.edu\/newscenter\/in-pictures-high-schoolers-come-face-to-face-with-fruit-flies-249132\/","title":{"rendered":"High schoolers come face-to-face with fruit flies"},"content":{"rendered":"

Fifteen ninth graders from Rochester\u2019s East High School experienced science at its most exciting \u2013 when something startling happened during a fruit fly experiment in a lab at the URochester\u2019s Department of Biology.<\/h3>\n

\"students<\/p>\n

The experiment was designed to show how different fruit fly species have adapted to the unique climates where they are found.<\/p>\n

Keyonah McClary, at left in the photo above, worked with Sean Lindley, a lab technician in the Department of Biology, as her East High teacher, Cebrahil Guler-Carrasquillo, looked on.<\/p>\n

The goal of the visit by the East High students was to immerse them in science for an entire day, let them experience how classes in college compare to those in their school, and provide an opportunity for University staff and students to learn about them.<\/p>\n

\"row
(University photo \/ Bob Marcotte)<\/figcaption><\/figure>\n

The students first were treated to a \u201cvirtual\u201d fruit-fly collecting expedition to Iceland, France, and Uganda, using the high-resolution, 20-by-8-foot screen at the University\u2019s VISTA Collabatory. David Goldfarb, professor of biology, served as the tour guide.<\/p>\n

When a breathtaking aerial view of Victoria Falls appeared on the screen, Goldfarb explained how modern humans originated in this region of eastern Africa and then spread throughout the world. However, unlike humans \u2014who are a single species \u2014fruit flies diverged into different species as they colonized and adapted to different climates.<\/p>\n

\"professor
(University photo \/ J. Adam Fenster)<\/figcaption><\/figure>\n

Back at the lab in Hutchison 222, senior lecturer Bob Minckley demonstrated an example of anatomical similarities among different mammals.<\/p>\n

\"student
(University photo \/ J. Adam Fenster)<\/figcaption><\/figure>\n

How many bones in a human finger or toe? Minckley asked. Robert Wilson and his East High classmates concur: three to four.<\/p>\n

\"student
(University photo \/ J. Adam Fenster)<\/figcaption><\/figure>\n

How many bones in a gorilla finger or toe? Also three to four, everyone agrees, after examining a gorilla skeleton in the hallway.<\/p>\n

\"professor
(University photo \/ J. Adam Fenster)<\/figcaption><\/figure>\n

\u201cIf I had told you to draw a bat skeleton, would you have known to put the same number of bones in a bat\u2019s finger as are in your own?\u201d Minckley asks back in the lab.<\/p>\n

The discovery that different species share similar anatomical features \u2014 modified \u201cdepending on whether you\u2019re going to use it to climb up trees or walk down a street\u201d \u2014 was the \u201creally big deal\u201d in the mid-19th century that inspired Charles Darwin to propose his theory of evolution, Minckley explained.<\/p>\n

\"teacher
(University photo \/ J. Adam Fenster)<\/figcaption><\/figure>\n

Meanwhile, vials containing fruit flies of five species \u2014 originally from latitudes spanning the subarctic to equator \u2014 were kept on ice.<\/p>\n

PhD student Adam Johnson detailed how the experiment would be done. Students, working in teams of two, would be given one vial of fruit flies at a time, with each vial containing a different species. When given a signal, the teams would empty the flies onto a section of paper set aside for that species, then time how long it takes them to \u201cwake up.\u201d<\/p>\n

\"two
(University photo \/ J. Adam Fenster)<\/figcaption><\/figure>\n

As students Doran Yulfo and Nahsalie Guzman discover, long minutes pass before fruit flies from tropical latitudes begin wiggle, twitch, then flip from their backs to their feet.<\/p>\n

\"student
(University photo \/ J. Adam Fenster)<\/figcaption><\/figure>\n

However, moments after the students empty the vials containing Drosophilia borealis<\/em> \u2014 a subarctic species \u2014 near pandemonium breaks out. Almost immediately, the tiny fruit flies are moving, even starting to fly, and the students excitedly scramble to keep track.<\/p>\n

\u201cI never saw anything like that before,\u201d says student Andre Jenkins, shown above.<\/p>\n

\"teacher
(University photo \/ J. Adam Fenster)<\/figcaption><\/figure>\n

As Minckley notes, \u201cWhen it gets warm enough in the subarctic, you better get moving, because it\u2019s only warm enough for a short part of the day.\u201d<\/p>\n

Johnson, Minckley, Lindley, and senior Hannah Spalding then helped the students compile their data.<\/p>\n

This is the fourth year that Rochester City School students have visited the Department of Biology, and the second year in a row students from East High School have made the trip.<\/p>\n

This fall, the department will launch a new course to train 14 undergraduate seniors in hands-on labs they can take to East High.<\/p>\n

The ultimate goal is to interest East High students in attending college \u2014 in the hope that some will pursue careers in STEM (science, technology, engineering, and math) fields.<\/p>\n

\u201cWe\u2019re hoping some of these kids will go on to research institutions and thrive,\u201d Goldfarb says. \u201cIf we can provide them with the resources, and make them feel welcome, maybe they will say \u2018I can do this.\u2019\u201d<\/p>\n

\"student
(University photo \/ J. Adam Fenster)<\/figcaption><\/figure>\n

\"Community<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Students from Rochester’s East High School got a sense of how startling science can be when they spent the day in the lab with professors and researchers from the Department of Biology. <\/p>\n","protected":false},"author":286,"featured_media":249282,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[116],"tags":[9436,18722,16072,18692],"class_list":["post-249132","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sci-tech","tag-community","tag-department-of-biology","tag-school-of-arts-and-sciences","tag-vista-collaboratory"],"acf":[],"yoast_head":"\nHigh schoolers come face-to-face with fruit flies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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