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Stock, David W

Associate Professor

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Research Areas research areas

Research

research overview

  • Dr. Stock's research seeks to identify the changes in genes and developmental mechanisms underlying the diversification of animal form using teeth and scales of fishes as the primary model system. Gene expression during tooth and scale development is compared in several species of fishes differing in the location, shape and number of these structures. Gene expression differences that correlate with differences in teeth and scales are used as entry points into the genetic and developmental pathways that have been modified during their evolution. Transgenic methods are used to identify the DNA changes responsible for expression differences among species and the functional consequences of these changes. Similar experimental approaches are being used to investigate the evolution of additional morphological features of fishes such as barbels ('whiskers'), fins, and breeding tubercles.

Publications

selected publications

Teaching

courses taught

  • EBIO 2070 - Genetics: Molecules to Populations
    Primary Instructor - Fall 2018 / Spring 2019 / Fall 2019 / Fall 2020 / Spring 2021 / Fall 2021 / Spring 2022 / Fall 2022 / Fall 2023 / Fall 2024
    Lect. and rec. Covers principles of genetics and developmental biology at levels of molecules, cellular organelles, individuals and populations; asexual and sexual life cycles; heredity. Recitations allow discussion of genetics problems and implications of genetic principles and provide demonstrations and simulations of genetic processes. Intended for sophomore majors in EBIO. Recommended prerequisites: EBIO 1210 and EBIO 1220 and EBIO 1230 and EBIO 1240 (minimum grade C-). Credit not granted for this course and EBIO 2640.
  • EBIO 4050 - Fish Biology
    Primary Instructor - Spring 2022 / Spring 2023 / Spring 2024
    Explores the tremendous diversity of this group, which includes eyeless catfish named after Satan and cast out of underground aquifers by artesian wells, loaches that cling to rocks in mountain torrents with fin-derived suction cups, lungfish in mud cocoons that metabolize their own muscles while waiting for the rains to return, degenerate male anglerfish that parasitize their mates in the blackness of ocean depths, and flying fish that glide above the surface of the open sea to escape the slashing bills of sailfish below. Lectures will cover form and function, evolution, the fossil record, reproduction and development, genetics, behavior, ecology, distribution, and conservation of fishes. The laboratory will stress fish identification, anatomy, and development. Same as EBIO 5050.
  • EBIO 4460 - Special Topics
    Primary Instructor - Spring 2018 / Spring 2019 / Spring 2020 / Spring 2021
    Familiarizes students with specialized areas of biology. May be repeated up to 15 total credit hours. Recommended prerequisites: EBIO 1210 and EBIO 1220 and EBIO 1230 and EBIO 1240 (minimum grade C-). Same as EBIO 5460.
  • EBIO 4870 - Independent Research: Upper Division
    Primary Instructor - Spring 2018 / Fall 2018 / Spring 2019 / Spring 2020 / Spring 2022 / Fall 2022 / Spring 2023 / Fall 2023 / Spring 2024
    May be repeated up to 6 total credit hours.
  • EBIO 4990 - EBIO Honors Thesis Research
    Primary Instructor - Spring 2019
    To be taken during the final academic year prior to graduation. Consists of the final phase of honors research and thesis preparation under the guidance of a faculty mentor. Recommended prerequisites: minimum 3.3 GPA and a declared EBIO major and approval by departmental Honors program.
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