HISTORICAL DEVELOPMENT OF KNOWLEDGE ON HEREDITY

Question 1

noted
transformation in bacteria

Answer 1

Frederick Griffith

Question 2

used
degrading enzymes to
determine the genetic
material

Answer 2

Oswald Avery, Collin Mcleod
and Maclyn McCarthy

Question 3

discovered that genetic
material of bacteriophage
are transferred to bacteria

Answer 3

Hershey and Chase

Question 4

proved
that DNA, and not protein, is the genetic material of
T2 bacteriophage.

Answer 4

Alfred Hershey and Martha Chase

Question 5

had “x-ray pictures” of DNA

Answer 5

Rosalind Franklin and Maurice Wilkens

Question 6

proposed the model of the double helix of DNA in
1953.

Answer 6

James Watson and Francis Crick

Question 7

Erwin Chargaff

Answer 7

“Chargaff rules”