People

Question 1

McClintock and Creighton

Answer 1

Crossing Over

Question 2

Sturtevant and Morgan

Answer 2

Further apart – more frequently cross over

Question 3

William Cardozo

Answer 3

African American, healthcare, sickle cell genic trait

Question 4

Lederberg and Tatum

Answer 4

Bacteria could exchange genes

Question 5

B. Davis

Answer 5

Bacteria need physical contact to exchange genes

Question 6

Avery, MacLeod, and McCarty

Answer 6

1 of 2 (in 1940’s)
DNA determined to be hereditary molecule in many experiments from

Question 7

Hershey and Chase

Answer 7

2 of 2 (1951/1952)
DNA determined to be hereditary molecule in many experiments from

Question 8

Rosalind Franklin

Answer 8

A-DNA and B-DNA

Question 9

Watson and F Crick

Answer 9

Investigated B-DNA, “discovered” the structure of DNA in 1953

Question 10

June Lindsey

Answer 10

Nucleobases, H bonding

Question 11

Meselson and Stahl

Answer 11

Experiment established that replication is semiconservative

Question 12

Miller, Hamkalo, and Thomas

Answer 12

showed RNA transcriptions coming off of a central DNA molecule