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

Multiple Choice Questions

1. When Barbara went to visit Stadler in Missouri, she went to look at the corn that they had. Barbara noticed that they were calling the corn what?
(a) Transfusion treat.
(b) McClintock corn.
(c) Barbara plants.
(d) Ring chromosome plants.

2. What did Barbara think wasn't solvable, but was "merely a symbol"?
(a) Genes.
(b) Maize kernals.
(c) Cells.
(d) Chromosomes.

3. What are considered to be the mainstay of genetic research?
(a) Genes.
(b) Cells.
(c) Chromosomes.
(d) Mutations.

4. 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) George Beadle.
(b) Evelyn Witkin.
(c) Marcus Rhoades.
(d) Stanley Stephens.

5. What was the name of Edward Tatum and George Beadle's hypothesis?
(a) "Two genes-two enzymes".
(b) "One gene-two enzymes".
(c) "One gene-one enzyme".
(d) "Two genes-one enzyme".

Short Answer Questions

1. There was a gap that appeared in Barbara's list of publications. In what year did she not publish anything?

2. What did Cornell geneticists study instead of fruit flies?

3. An experimental breeder can tell what a chromosomes is like from doing what?

4. In what year was the term "genetics" coined?

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

(see the answer key)

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