**Comment: Spinning prions, doppels and shadoos**
The present commentary was published under open science research project "**Comparative genomic analysis of eutherian genes**".
**Project description:** https://osf.io/qj2um/
**Author:** Marko Premzl PhD, The Australian National University Alumni (WFH)
**E-mail contact:** Marko.Premzl@alumni.anu.edu.au
**ANU Open Access Theses:** https://openresearch-repository.anu.edu.au/handle/1885/48000
**NCBI SciENcv:** https://www.ncbi.nlm.nih.gov/myncbi/mpremzl/cv/130205/
**ORCID:** https://orcid.org/0000-0002-3362-689X