True - to a certain extent.

1. In most organisms (viruses included) genotype and phenotype are distinct. In prions, on the other hand, the phenotype is all you have.

2. It would be difficult to define the number of bits of information a prion contains. As you say, it could be considered merely an on-off type - a single bit of information, but that is surely only related to IT interpretations, and may have nothing to do with the way in which the prion works. I dunno - just being unnecessarily contentious, I guess...

cheer

the sunshine warrior