Speciation & Hybridization Seminar

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This is the home page of the UConn EEB department's Systematics Seminar. This is a graduate seminar devoted to issues of interest to graduate students and faculty who make up the systematics program at the University of Connecticut.

Meeting time and place

We are meeting this semester in the Biopharm 3rd Floor Fishbowl Mondays and Tuesdays 2-3pm.

Please sign up for two dates on the schedule below. A list of topic ideas follows but you can choose anything related to speciation and hybridization.

Subtopic Ideas:

SPECIATION 1) What did Darwin say about speciation and hybridization? (First week) 2) When does a species become a species? How can the earliest stages of speciation be recognized? 3) How much genetic divergence should we expect within species? Are large genetic divergences within species due to polymorphisms/large population sizes, or artifacts, or are they simply due to our failure to recognize cryptic species? 4) Are there "speciation genes"? What are some examples? Are speciation genes restricted to a certain type of mutation or class of genes?

HYBRIDIZATION: It has been estimated that at least 25% of plant species and 10% animal species hybridize* 1) How much gene flow occurs across species boundaries and what are the consequences for species? 2) How can lineage sorting be separated from hybridization as a cause for phylogenetic uncertainty? 3) How important is hybrid speciation in nature 4) Conservation Biology: Should hybrids be shot or poisoned? Or not?

  • Mallet, 2005, 2007


Schedule for Spring Semester 2009

Note: the papers linked here require a user name and password to access. If you have forgotten the user name and/or password, contact Chris Simon. If you want to upload a PDF file for an upcoming discussion, use the PDF upload form. Uploading PDFs requires the same user name and password as viewing PDFs.

Monday, March 16th, 2009:

Discussion leader: Chris Simon

"On the Origin of Species...", Chapter II.  Variation Under Nature

The text can be found in searchable form on line at... http://darwin-online.org.uk/ click on the sixth edition of The Origin of Species...

Tuesday, March 17th, 2009:

Discussion leader: Chris Simon

"On the Origin of Species...", Chapter IX. Hybridism

The text can be found in searchable form on line at... http://darwin-online.org.uk/ click on the sixth edition of The Origin of Species...

Monday, March 23rd, 2009:

Discussion leader: LeRoy Robinson


Tuesday, March 30th, 2009:

Discussion leader: [[ ]]


Monday, March 31st, 2009:

Discussion leader: [[ ]]


Monday, April 6th, 2009:

Discussion leader: [[ ]]


Tuesday, April 7th, 2009:

Discussion leader: [[ ]]


Tuesday, March 24th, 2009:

Discussion leader: LeRoy Robinson