Onion root tip under a microscope. The dark staining globs in the cells are chromosomes going through the steps of division to make the root tip grow. Photograph by John Alan Elson.
Onion root tip under a microscope. The dark staining globs in the cells are chromosomes going through the steps of division to make the root tip grow. Photograph by John Alan Elson.
Onion root tip under a microscope. The dark staining globs in the cells are chromosomes going through the steps of division to make the root tip grow. Photograph by John Alan Elson.