John H. Willis

Professor of Biology

3314 French Science Center, Science Drive, Durham, NC 27708
Campus Box: 
Box 90338, Department Of Biology, Durham, NC 27708-0338
(919) 660-7340
We conduct research on broad issues in evolutionary genetics, and we are currently addressing questions relating to the evolution of adaptation, reproductive isolation, breeding systems, inbreeding depression, and floral traits in natural plant populations. Please see our lab web page for more information.


  • Ph.D., University of Chicago 1991

Fishman, L, Kelly, AJ, Morgan, E, and Willis, JH. "A genetic map in the Mimulus guttatus species complex reveals transmission ratio distortion due to heterospecific interactions." Genetics 159, no. 4 (December 2001): 1701-1716.

Kelly, JK, and Willis, JH. "Deleterious mutations and genetic variation for flower size in Mimulus guttatus." Evolution 55, no. 5 (2001): 937-942.

Willis, JH. "The role of genes of large effect on inbreeding depression in Mimulus guttatus." Evolution 53, no. 6 (December 1, 1999): 1678-1691.

Lynch, M, Blanchard, J, Houle, D, Kibota, T, Schultz, S, Vassilieva, L, and Willis, J. "Perspective: Spontaneous deleterious mutation." Evolution 53, no. 3 (June 1, 1999): 645-663.

Sweigart, A, Karoly, K, Jones, A, and Willis, JH. "The distribution of individual inbreeding coefficients and pairwise relatedness in a population of Mimulus guttatus." Heredity 83, no. 5 (January 1, 1999): 625-632. Full Text

Schultz, ST, Lynch, M, and Willis, JH. "The genomic mutation rate for fitness in Arabidopsis thaliana." Procedings of the National Academy of Science, USA 96 (1999): 11393-11398. (Academic Article)

Lynch, M, Blanchard, J, Houle, D, Kibota, T, Schultz, S, Vassilieva, L, and Willis, JH. "Spontaneous deleterious mutation." Evolution 53 (1999): 645-663. (Academic Article)