Small Design Decision – Teo Zi Lin

Science Fiction Movie: USS Callister (Black Mirror Season 4 Episode 1)

The small design decision I noticed in this movie is that the protagonist, Robert Daly, harvested DNA from saliva on a lollipop to steal Walton’s son’s DNA and create a clone for his virtual reality game. This cleverly illustrates the potential of saliva to replace blood (which is the golden standard) for DNA analysis in the near future, unbeknown to many. In fact, collecting DNA from saliva is less expensive than DNA from blood, and saliva yields high quantity high-molecular weight DNA. (Read more facts about pros and cons of using saliva for DNA analysis here:

Teo Zi Lin – A0160163R

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