Sleep Deprivation, Age, and Exhaustion Time in the Rat

29 June 1962

journal article
research article
Published by American Association for the Advancement of Science (AAAS) in Science

Vol. 136 (3522) , 1122
https://doi.org/10.1126/science.136.3522.1122-a

Abstract

The submicroscopic arrangement of DNA molecules in living sperm is analyzed by new, highly sensitive polarization optical techniques. It is concluded that the molecules are arranged as a coil of a coil in sperm chromosomes, which in turn appear to be arranged in single file with a definite sequence.