DNA black outline icon
Outline DNA double helix drawn diagonally with rung bars between the two strands
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About the DNA black outline icon
Two strands wind around each other along a diagonal axis, forming three full twist segments joined by short parallel rung bars that stand for base pairs, with the strand ends tapering off at each corner. It signals genetics, heredity, molecular biology and research. Fit for biotech and pharma sites, DNA testing services, medical lab dashboards, science education slides and health app features.
The diagonal placement fills the square frame better than a vertical helix and gives the shape movement, while the closely ruled rungs add texture without heavy weight. It pairs with microscope, molecule and test tube icons in the same science set. The rung lines merge below 32 px, so favor larger sizes.
This is the black outline version of the dna icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Get it free as an SVG vector or transparent PNG (16-512px), copy the SVG code, or restyle it in the free online editor — recolor any part, add gold, neon or gradient effects, animate it, or export EPS, PDF and DXF.
Free for personal and commercial use with attribution.
