This work describes the development and evaluation of a two-session laboratory class based on Tet-on technology and sex determination in the fruit fly "Drosophila melanogaster." The Tet-on system allows conditional control of gene expression, when doxycycline is applied. A laboratory exercise has been developed to illustrate how the…

A core question of teacher education--"What can I do?"--plagues courses on race in particular ways. Teachers struggle for "concrete" applications of "theoretical" ideas about race, question the potential for "everyday" activity to dismantle inequality "structures," and wrestle with the need for both professional and personal development on racial…