Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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A student is studying the advantages of selective breeding in plants. She made
the following list of possible advantages: 1) possibly produce corn that attracts
grasshoppers 2) possibly develop grass that can grow with less water 3) possibly develop wheat
that can grow in different types of soil 4) possibly produce oranges that are not affected by
freezing temperatures Which items on the list provide logical arguments in favor of selective
breeding?
a. | 2, 3, and 4 | b. | 1. 2, and 3 | c. | 3 and
4 |
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2.
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A farmer wants to grow a crop that is resistant to
disease while producing more fruit per plant. Which plants should the farmer select to cross to get the desired combination
of traits?
a. | 1 and 3 | b. | 3 and 4 | c. | 1 and
2 |
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3.
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How does artificial selection support Darwin’s ideas that he wrote
about in his book On the Origin of Species?
a. | Selective breeding clearly demonstrated that only the fittest survive in the
wild. | b. | Artificial selection showed that species’ traits change over many
generations. | c. | Darwin wrote his famous theory of relativity which confirmed artificial
selection. |
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4.
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What is the ultimate source of genetic variability?
a. | inbreeding | b. | d. mutations | c. | hybridization |
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5.
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Breeders induce mutations in organisms to...?
a. | produce organisms with undesirable characteristics. | b. | increase diversity
in populations. | c. | make organisms more alike. |
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6.
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A family visited a dog breeder and requested a
puppy that had short fur and was friendly and lovable.
Which dogs should the breeder select to be the parents of the requested
puppy?
a. | 1 and 4 | b. | 2 and 3 | c. | 1 and
2 |
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7.
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Which of the following is most likely to bring together two recessive alleles
for a genetic defect?
a. | inbreeding | b. | genetic engineering | c. | transformation |
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8.
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Examine the following Vinn diagram. Which of the following statements would go in the center of this Vinn
diagram where the two circles overlap?
a. | Finches from the Galapagos islands displayed different beak
variations. | b. | phenotypes remain identical from generation to generation | c. | structural changes
occur over many generations |
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9.
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Which statement explains how a population’s genetic variability and
diversity can be affected by selective breeding?
a. | Genetic variability decreases & diversity increases because only few individuals
are bred. | b. | Genetic variability and diversity decrease because only select individuals are
bred. | c. | Genetic variability increases & diversity decreases because only few individuals
are bred. |
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10.
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Which of the following statements is NOT true?
a. | Inbreeding can produce an offspring that has a defect that neither parent
shows. | b. | A hybrid plant has all the characteristics of both its parents. | c. | Inbreeding and
hybridization are opposite processes. |
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