EXTRACTING DNA.

FERTILIZATION.

FRUIT FLY CHROMATOGRAPHY.

GIANT CHROMOSOMES OF DROSOPHILA.

DNA: BLUEPRINT OF LIFE. John Wiley & Sons. 17 min., sd., color, 16 mm.

Credits: Director & writer, Mallory Pearce; narrator, Dennis King, Jr.

© John Wiley & Sons, Inc.; 1Apr68; MP21575.

DNA COMPOSITION. Thorne Films. 4 min., si., color, Super 8 mm. (DNA and cell reproduction) Loop film. © Thorne Films, Inc.; 1Dec70; MP21419.

DAILY CLEANING OF THE ISOLATION UNIT. Comprenetics. 15 min., sd., color, 8 mm. (Housekeeping series) Loop film. © Comprenetics, Inc.; 13Oct70; MP21462.

DAILY LIFE IN THE ANCIENT WORLD. See