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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. In the mutant seedlings that Barbara had grown, what could be seen that didn't belong?
(a) Streaks or spots of color.
(b) Rings around the outside husk of the corn.
(c) Discolored kernals that were green.
(d) No growth of kernals in many spots.

2. When the National Academy of Sciences elected Barbara McClintock as a member, how many other women before her had held that particular honor?
(a) Five.
(b) One.
(c) None.
(d) Two.

3. Gerald Holton commented on scientific imagination and it's importance to how many particular scientists?
(a) Two.
(b) One.
(c) Three.
(d) Four.

4. How many years later was it when Barbara made her second presentation at the Cold Spring Harbor Symposium?
(a) 2.
(b) 3.
(c) 5.
(d) 10.

5. Who was quoted as saying, "By God, that woman is either crazy or a genius."?
(a) Evelyn Witkin.
(b) Esther Parker.
(c) Joshua Lederberg.
(d) George Beadle.

6. Barbara McClintock sent off a paper entitled "Some Parallels Between Gene Control Systems in Maize and in Bacteria" to where?
(a) The Chicago Journal.
(b) American Naturalist.
(c) Naturalism in America.
(d) American Scientist.

7. Barbara suggested that we must have what to "let it come to you"?
(a) Openness.
(b) Control.
(c) Reverence.
(d) Understanding.

8. In what year was Barbara's last attempt to explain her work to her colleagues at Cold Spring Harbor?
(a) 1955.
(b) 1962.
(c) 1960.
(d) 1969.

9. In 1941, how many geneticists did Cold Spring Harbor draw?
(a) Over ninety.
(b) Over eighty.
(c) Over seventy.
(d) Over sixty.

10. Who said of Barbara that "she was able to convey it to someone who was completely outside the field. She was able to make it real?"
(a) Evelyn Witkin.
(b) Marcus Rhoades.
(c) Stanley Stephens.
(d) George Beadle.

11. What is one of the most fundamental questions of genetics that was mentioned in the beginning of Chapter 11?
(a) How do genes change in generations?
(b) How do genes make up particular objects?
(c) How do genes make exact copies of themselves?
(d) How are genes important to the world of science?

12. What was Demerec summing up by the words, "Ten years ago they were visualized as fixed units with precise boundaries?"
(a) Cells.
(b) Genes.
(c) Scientists.
(d) Chromosomes.

13. Among plants in the first crop, there were patterns of variegation so unusual they "could not fail to catch the eye". What was so unusual about these kernels?
(a) They should have all been the same color, but there were four different colors present.
(b) They should have been colorless, but there were spots of color.
(c) They should have been yellow, but they were brown.
(d) They should have been all uniform shape, but there were some that were much larger than expected.

14. Who was the theoretical physicist who was trained by Niels Bohr?
(a) Max Delbruck.
(b) Milislav Demerec.
(c) Lewis Stadler.
(d) Barbara McClintock.

15. When Barbara was unwilling to accept her failure to see the Neurospora chromosomes, she went outside to sit and meditate under what type of tree?
(a) Weeping Willow.
(b) Pine.
(c) Eucalyptus.
(d) Elm.

Short Answer Questions

1. Who was the director of the 1951 symposium?

2. After what length of time did Demerec propose to make Barbara's position permanent at Cold Springs Harbor?

3. Who presented the third paper in the 1951 symposium?

4. In what month did a letter arrive from Barbara's old friend, George Beadle, suggesting she come to Stanford for a visit?

5. In Drosophila a bacterium divide in two every how many minutes?

(see the answer keys)

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