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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 8, Transposition.

Multiple Choice Questions

1. It is mentioned in Chapter 7 that in hindsight, most historians would say that the molecular revolution began at what time?
(a) The early 1950's.
(b) The early 1930's.
(c) The late 1920's.
(d) The early 1940's.

2. What part of the corn was considered to be the endosperm tissue?
(a) The kernel.
(b) The silk.
(c) The husk.
(d) The stalk.

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

4. In what year did Evelyn Witkin come to Cold Spring Harbor?
(a) 1942.
(b) 1954.
(c) 1944.
(d) 1951.

5. What was the principle object of interest to cytologists?
(a) Genes.
(b) Neutrons.
(c) Chromosomes.
(d) Cells.

Short Answer Questions

1. Who said, "I've known a lot of famous scientists. But the only one I thought really was a genius was McClintock"?

2. When McClintock speaks about having no chance of being promoted she states that she was excluded from what?

3. Who was the co-author with McClintock on the paper that provided conclusive evidence for the chromosomal basis of genetics?

4. What did Barbara's sister, Marjorie, become?

5. Lew Stadler had been on the faculty at the University of Missouri in Columbia since what year?

(see the answer key)

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