"WardsSci000103"

Illustrates large ribbon-like chromosomes common in diopteran flies

Illustrates a Non-typical Genetic Sequence in Humans

Illustrates Genetic "Femaleness" in Humans

One strip of 8 related 35 mm images photographed through a microscope called photomicrographs. Arrows and call outs help the student locate important features. The film is mounted in a clear plastic holder that protects it on both sides.