Article Title: Seeing X Chromosomes in a New Light
Author: Carl Zimmer
Date of Publication: January 20, 2014
“The term “X chromosome” has an air of mystery to it, and rightly so. It got its name in 1891 from a baffled biologist named Hermann Henking. To investigate the nature of chromosomes, Henking examined cells under a simple microscope. All the chromosomes in the cells came in pairs. All except one.”