Rare diseases: or, what happens when backups fail

Ploidy is a funny old Greek word for a modern, almost modish concept: data backups. Ploidy is the number of copies of an organism’s DNA. Certain kinds of algae, for instance, don’t buy into backups; they’re haploid, and contain only a single copy of DNA. Plants, on the other hand, are polyploidal; paranoiacs of the … Continue reading “Rare diseases: or, what happens when backups fail”