You go to the movies with a friend, and he refuses to share your popcorn. He says that he heard that movie theatre popcorn is triploid. What is the most likely explanation for this?
A. Popcorn is made from a different species of maize than regular corn.
B. Most corn is genetically modified by large agricultural companies.
C. All popcorn is triploid, because the starchy part of the kernel is triploid endosperm tissue.
D. The buttery topping on movie theatre popcorn causes chromosomal abnormalities.
Answer: C
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a. True b. False
The role of maternal effect genes in Drosophila is to:
a. code for the production of yolk proteins. b. prepare the female fly for reproduction. c. control the early stages of Drosophila development. d. control the development of the pupa. e. control the shape and size of the eggs produced.
You would expect the Hox genes of a mosquito and a rabbit to be very _________
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is true of Q fever?
A) For many years its cause was questionable B) It was first described in 1976 during an outbreak in Quincy, Massachusetts C) Researchers found it could be effectively treated with quinine D) The sharp spikes of fever on patients' temperature charts resemble porcupine quills