University of Tennessee, B.A., 1974
University of Tennessee, M.A., 1976
University of Wisconsin, M.S., 1978
University of Wisconsin, Ph.D.,1982
|11:00||- 12:00||Tuesdays||Mathematics 522|
|12:00||- 1:00||Tuesdays||Mathematics 220|
|1:30||- 2:30||Thursdays||Mathematics 522|
2017 Spring Semester
2014 Fall Semester
2009 Fall Semester
2008 Spring Semester
In addition, I often teach
My mathematical training is in probability theory and stochastic processes. I now apply this to problems in stochastic modeling of biological phenomena. Here are some examples research projects:
Michael F. Hammer, August E. Woerner, Fernando L. Mendez, Joseph C. Watkins, Murray Cox, and Jeffrey D. Wall (2010) The ratio of human X chromosome to autosome diversity is positively correlated with genetic distance from genes. Nature Genetics 42, 830-831.
Michael F. Hammer, August E. Woerner, Fernando L. Mendez, Joseph C. Watkins, and Jeffrey D. Wall (2011) Genetic evidence for archaic admixture in Africa. Proceedings of the National Academy of Science 108, 15123-15128.
Krishna R Veeramah, Daniel Wegmann, August Woerner, Fernando L Mendez, Joseph C Watkins, Giovanni Destro-Bisol, Himla Soodyall, Leslie Louie, Michael F Hammer (2012) An early divergence of KhoeSan ancestors from those of other modern humans is supported by an ABC-based analysis of autosomal re-sequencing data. Molecular Biology and Evolution 29, 617-630.
Fernando L. Mendez, Joseph C. Watkins, and Michael F. Hammer (2011) Global genetic variation at OAS1 provides evidence of archaic admixture in Melanesian populations. Molecular Biology and Evolution 29, 1513-1520.
Fernando L. Mendez, Joseph C. Watkins, and Michael F. Hammer (2012) A haplotype at STAT2 introgressed from Neandertals and serves as a candidate of positive selection in Papua New Guinea. American Journal of Human Genetics 91 265-274.
Fernando L. Mendez, Joseph C. Watkins, and Michael F. Hammer (2013) Neanderthal origin of genetic variation on the cluster of OAS immunity genes. Molecular Biology and Evolution 30 798-801.
Krishna R Veeramah, Ryan N Gutenkunst, August E Woerner, Joseph C Watkins, Michael F Hammer (2014) Evidence for increased levels of positive and negative selection on the X chromosome versus autosomes in humans. Molecular Biology and Evolution 31, 2267-2282.
Joseph C. Watkins (2010) Convergence Time to the Ewens Sampling Formula. Journal of Mathematical Biology 60, 189-206.
J. Stephen Lansing, Joseph C. Watkins, Brian Hallmark, Murray P. Cox, Tatiana M. Karafet, Herawati Sudoyo, and Michael F. Hammer (2008) Male dominance rarely skews the frequency distribution of Y chromosome haplotypes in human populations. Proceedings of the National Academy of Sciences, USA 105, 11645-11650.
Joseph C. Watkins (2007) Microsatellite Evolution: Markov Transition Functions for a Suite of Models Theoretical Population Biology 71, 147-159.
J. Stephen Lansing, Murray P. Cox, Sean S. Downey, Brandon M Gabler, Brian Hallmark, Tatiana M. Karafet, Peter Norquest, John W. Schoenfelder Herawati Sudoyo, Joseph C. Watkins, and Michael F. Hammer (2007) Coevolution of languages and genes on the island of Sumba, eastern Indonesia, Proceedings of the National Academy of Sciences, USA 104 16022-16026.
Tatiana M. Karafet, J. S. Lansing, Alan J. Redd, Joseph Watkins, I. W. Ardika, S. P.K. Surata, Laura Mayer, Michael Bamshad, Lynn Jorde, Michael F. Hammer (2005) Balinese Y Chromosome Perspective on the Peopling of Indonesia: Genetic Contributions from Pre-Neolithic Hunter-Gatherers, Austronesian Farmers, and Indian Traders, Human Biology 77.1, 93-114.
Joseph C. Watkins (2004) The Role of Marriage Rules in the Structure of Genetic Relatedness, Theoretical Population Biology 66, 13-24
J.S. Lansing, A.J. Redd, T. M. Karafet, J.Watkins, I.W. Ardika, S.P.K. Surata, J.S. Schoenfelder, M. Campbell, A.M. Merriwether, M.F. Hammer (2004) An Indian Trader in Ancient Bali? Antiquity 78, 287-293.
Xavier Didelot, Jesse E. Taylor, Joseph C. Watkins (2008) A duality identity between a model of bacterial recombination and the Wright-Fisher diffusion. Markov Processes and Related Topics: A Festschrift for Thomas G. Kurtz Intstitute of Mathematical Statistics Collections 4, 315-324.
Brenae L. Bailey, Koen Visscher, and Joseph C. Watkins (2014) A stochastic model of translation with -1 programmed ribosomal frameshifting. Physical Biology 11
Joseph C. Watkins (2000) Consistency and Fluctuation Theorems for Discrete Time Structured Population Models Having Demographic Stochasticity, Journal of Mathematical Biology 41, 253-271
Mendelson, N.H., A. Bourque, K. Wilkening, K.R. Anderson, and J.C. Watkins. (1999) Organized Cell Swimming Motions in Bacillus subtilis Colonies: Patterns of Short-Lived Whirls and Jets. Journal of Bacteriology 181, 600-609.
Kevin R. Anderson, Neil H. Mendelson, and Joseph C. Watkins. (2000) A New Mathematical Approach Predicts Individual Cell Growth Behavior using Bacterial Population Information, Journal of Theoretical Biology 202, 87-94.
Gloria DeGrandi-Hoffman, Joseph C. Watkins, Anita M. Collins, Gerald M. Loper, Joseph H. Martin, Marias C. Arias, and Walter S. Sheppard, (1998) Queen Development Time as a Factor in the Africanization of the European Bee (Hymenoptera: Apidae) Populations, Annals of the Entomological Society of America 91, 51-58.
Gloria DeGrandi-Hoffman, and Joseph C. Watkins, (2000) The foraging activity of honey bees (Apis mellifera L.) and non-Apis bees on hybrid sunflowers (Helianthus arruus L.) and its influence on cross-pollination and seed set. Journal of Apicultural Research 39, 37-45.