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The American educational system hosts an asymmetry between the standards for initial adoption of curricular content versus its critical reworking. I argue that this dichotomy is especially present in our teaching of chromatin – the organized structure of DNA and its associated proteins – across the different domains of life. Prokaryotes, and in particular bacteria, have been continually misrepresented in their chromatin complexity primarily due to overgeneralizations made from early studies in a few model species. Even recently published educational materials contain inaccuracies such as claiming that bacteria have a single, circular chromosome – a claim for which we have had documented counterexamples for more than a half-century. Furthermore, there is growing evidence challenging the characterization of prokaryotic chromatin as “simple.” To keep our curricula current, educators and textbook authors should critically evaluate and advocate for updating these areas where our educational materials have not incorporated well-established findings.
