When dupes deliver unidentified seeds to the seed analyzer, they'll usually pick up a handful of extra, non-mutated seeds with them and attempt to deliver them to the analyzer.
I think this might have been crashing my game when trying to analyze Mealwood seeds (I sent the crash with my save file through the in-game crash report feature.)
1. Obtain a new mutated seed and have it on the ground alongside a handful of other, original seeds
2. Notice the dupes pick up a bunch of original seeds alongside the mutated one