Practice Quiz

CLEP Biology Practice Exam - Question List

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171.
A rare genetic condition causes dwarfism and immunodeficiencies. Which of the following is the most likely cause of this condition?
  1. a parasitic infection
  2. a mutation in DNA
  3. a bacterial disease
  4. an excess of ATP
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172. All organisms classified in kingdom Animalia must also be classifi ed as which of the following?
  1. Archaea
  2. Eubacteria
  3. Eukaryota
  4. Protista
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173. Cheetahs have come close to extinction due to hunting, drought, and disease. There is now very little genetic variation in cheetah populations. Which of the following is a result of the limited genetic variation in the current cheetah populations compared to earlier cheetah populations with more variation?
  1. Cheetahs in current populations are more resistant to new diseases.
  2. The survival rate of young cheetahs is increased in current populations.
  3. Cheetahs in current populations are less able to interbreed with other species.
  4. The current cheetah populations are less likely to be able to adapt to environmental changes.
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174. Which of the following genetic conditions results from a problem with segregation?
  1. Trisomy 16: a condition caused when a zygote receives three copies of chromosome 16
  2. Huntington’s disease: a condition caused when a zygote receives a mutated dominant allele
  3. Hemophilia: a condition caused when a zygote receives an
    X chromosome with a particular recessive allele
  4. Sickle cell anemia: a condition caused when a zygote receives a recessive allele for hemoglobin from each parent
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175. Two spotted leopards produce a litter of four cubs. Three of the cubs are spotted and one is solid black. The black coat is probably what type of trait?
  1. dominant
  2. recessive
  3. polygenic
  4. sex-linked
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