... Teachers. All rights reserved. Please direct all requests for permission to photocopy or reproduce article content through the University of California Press's Reprints and Permissions web page, www.ucpress.edu/journals.php?p=reprints . 2018 Tetrahymena development Wright stain Sytox green dye...

... cancers, some of which had previously been implicated in arsenic-associated cancers. In at least two developmental stages in mammals, gametogenesis and pre-implantation development, the DNA methylation pattern is reprogrammed genome-wide. This epigenetic reprogramming is believed to be necessary...

..., students automatically try to fit a curve to the data without thinking about what a curve means. Here, a curve represents a developmental sequence, so it makes sense to add a best-fit curve to the points representing different stages in chimpanzee development. If students choose sexually dimorphic...