This is the basis for several sequencing-based test protocols in development. It's called barcoding, and the massively parallel sequencing of tens of thousands

This is the basis for several sequencing-based test protocols in development. It's called barcoding, and the massively parallel sequencing of tens of thousands of barcoded pooled sequences is called bar-seq. See e.g. https://twitter.com/hsalis/status/1241121806473461760 https://twitter.com/hsalis/status/1241121806473461760