Phenylthiourea (PTC) Paper Strips - Genetic Taste Testing (Vial of 100) - 30µg Per Strip
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![Classroom Genetic Taste Testing Experiment Kit, PTC (Phenylthiourea) and Control Paper [Each Vial Contains 100 Strips]](https://m.media-amazon.com/images/I/41wDZbBH+eL._SL160_.jpg)
![Control (No Chemical) Genetic Taste Test Paper Strips - for Use with PTC [5 Vials of 100 Strips - 500 Strips Total]](https://m.media-amazon.com/images/I/31i7HnrfO2L._SL160_.jpg)
