Chromosomes; the cell cycle and mitosis Whiteboard exercise Play

Comparison of female and male human karyotypes Chart Play

Consequences for cloning of differences in genetic material Slideshow Play

Crossing-over Student activity Play

Crossing-over Animation Play

Crossing-over in prophase I Illustration Play

Crossing-over – new combinations of alleles Student activity Play

Development of the foetus Whiteboard presentation Play

Differences between mitosis and meiosis Student activity Play

Differences between mitosis and meiosis Whiteboard exercise Play

Different forms of DNA in living organisms Animation Play

Diffraction Student activity Play

Diffraction Chart Play

Diffraction Whiteboard exercise Play

Diffraction of X-rays Animation Play

Diffraction of X-rays Simulation Play

Diffraction of X-rays Student activity Play

Diffraction of X-rays Whiteboard exercise Play

Diploidy; chromosomes and genes Slideshow Play

Diploidy; chromosomes; genes and alleles Student activity Play

Discovery of DNA Slideshow Play

Disorders related to abnormalities in the number of sex chromosomes Slideshow Play

DNA in living organisms Student activity Play

Electromagnetic waves Whiteboard presentation Play

Euchromatin and heterochromatin Slideshow Play