IB Biology Exam Prep - Question List

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31. Blood typing can often be used to determine biological fatherhood. Three men, X, Y, and Z, are all possible fathers for child with bood type B. Blood testing determines that the mother's blood type is O. Which blood type must a candidate father have to be eliminated as a possible father?

  1. A
  2. B
  3. AB
  4. All of the above
  5. None of the above
32. The transfer of genetic materal between a pair of chromosomes is called __________.
  1. Translation
  2. Transcription
  3. Translocation
  4. Substitution
  5. Transduction
33. A scientist is studying the inheritance of two traits encoded by two different genes: eye color and hair color. Brown eye color is dominant of green eye color; brunette hair color is dominant over blond hair color. If parent A is homozygous for both brown eyes and brunette hair and parent B is heterozygous for brown eye color and brunette hair, what is the likelihood that an offspring will be born with green eyes and blond hair?
  1. 50%
  2. 25%
  3. 15%
  4. 10%
  5. 0%
34. Groups of species in a localized area are called:
  1. Niche
  2. Ecosystem
  3. Population
  4. Biome
  5. Community
35. Which of the following organisms is classified in the phylum Chordata?
  1. Crab
  2. Dolphin
  3. Sea urchin
  4. Squid
  5. Octopus

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