May 15, 2017
BPA rewires the sex of turtle brains
By Jinghong Chen | Bond Life Sciences Center Painted turtle eggs were brought from a hatchery in Louisiana, candled to ensure embryo viability and then incubated at male-permissive temperatures in a bed of vermiculite. Those exposed to BPA developed deformities to testes that held female characteristics.Photo by Roger Meissen | © 2015 – MU Bond Life Sciences Center Cool dudes, hot mommas. This is the underlying concept behind sex development in painted turtles, a species that lacks sex chromosomes. A painted turtle’s sex is determined by temperature at which the eggs are incubated at…
