In DNA from any species, the amount of adenine equals the amount of thymine, and the amount of guanine equals the amount of cytosine. Which of the following investigators was (were) responsible for this discovery?
A) Frederick Griffith
B) Alfred Hershey and Martha Chase
C) Oswald Avery
D) Erwin Chargaff
E) Matthew Meselson and Franklin Stahl

Question

Quizplus · Accepted Answer

Erwin Chargaff discovered that the amount of adenine always equals the amount of thymine and the amount of guanine always equals the amount of cytosine in the DNA of any species.

In DNA from Any Species, the Amount of Adenine Equals