Dr. Edward Frankel explains in his book how scientists have worked out the structure of the DNA molecules and are deciphering some of its coded messages.
Iowa Science Teachers' Journal
© Copyright 1965 by the Iowa Academy of Science
"Review - DNA Ladder of Life,"
Iowa Science Teachers Journal: Vol. 3
, Article 23.
Available at: https://scholarworks.uni.edu/istj/vol3/iss2/23