Spectrum. [Series 4], Stop or go--an experiment in genetics.

Duration: 10:00

Year Published: 1968

Creator: National Educational Television and Radio Center

Format: 16mm

Sound: sound

Description: P: Preservation Material CP: Composite Positive AC: Acetate B: 800' 16/8/9.5mm 16mm Color Sound 1000 National Educational Television and Radio Center

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