DNA Test is an Advanced Difficulty track in Bloons Tower Defense 4. The Mochigames description of this track calls it simply "DNA Track".

In this track, the bloons start from the bottom, progress up the track and then back down again at the exit. The blue cells of this track represents water. The bloons can come from either path on this track meaning that there are two entrances and exits. The track resembles a DNA sample, as its name suggests. The straight parts of the track are ideal for Spike-o-pults.

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