For April 25, 2001 : 1. Evolutionary dissociations between homologous genes and homologous structures, by Gregory Wray
2. Gene duplication and homology, by Peter Holland
Answer the following questions :
1. According to Wray, what has happened in the evolution of sex-determining genes? What is this an example of?
2. Why aren't regulatory genes a good way to tell if two morphological structures are homologous?
3. What are the new terms proposed in Holland's paper? What do they mean? Is this a good idea?
4. According to Holland, what are the difficulties associated with comparing vertebrate and invertebrate developmental genes?
Term paper information:
Link to 'perfect' term papers (from UC Berkelely's Evolution course)
Web resources for your term paper at Villanova:
1. To use Biosis, go here and select the Biosis database, then select Databases, and check all of the Zoo. Record databases. Then click Open Selected Databases.
2. For the Proceedings: Biological Sciences (The Royal Society), Biological Journal of the Linnean Society, and Systematic Biology full text articles, use Catchword
3. With an emphasis on molecular articles, but including all of the 'big' science journals use Pubmed
4. Expanded Academic - for articles in the popular press and some science journals, use Expanded Academic - Look under 'E' in the list of biology databases at Falvey
5. For older (some as recent as 1997) articles in full text format, use JSTOR . This includes articles in Science, evolution, American Naturalist, Annual Review of Ecology and Systematics, Conservation Biology and more.