The UC Davis Department of Psychology graduate program was ranked #6 among public institutions and #14 overall in the 2025 US News & World Report Grad School rankings. This ranking places the department in the top 2% of U.S. psychology Ph.D. programs and second only to veterinary medicine among UC Davis graduate programs.
When it comes to the architecture of the human genome, it’s only a matter of time before harmful genes arise in a population. These mutations accumulate in the gene pool, primarily affected by a population’s size and practices like marrying within a small community. New research published in the Proceedings of the National Academy of Sciences (PNAS) journal provides rare direct evidence showing that increased homozygosity leads to negative effects on fertility in a human population.
