DNA Helix Corner Accents
Twisting DNA double helix strands decorate each corner of the border, connected by thin nucleotide lines. A pale gradient of blue and purple fills the frame, leaving the center clear for genetics notes or Punnett squares.
This asset is part of Free Printable Science Worksheet Border Designs for Teachers published by SheetForge. Licensed under CC BY 4.0 — Free for personal use. Free to use with attribution.