Practice Quiz

Praxis II: Biology Content Knowledge Exam Prep - Question List

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71. When a sperm cell fuses with an egg cell, this results in the formation of a:
  1. Zygote
  2. Morula
  3. Blastula
  4. Gastrula
  5. Fetus
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72. During what stage of embryonic development does organ differentiation occur?
  1. Morula
  2. Zygote
  3. Fetus
  4. Blastula
  5. Gastrula
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73. The principle of Mendelian inheritance that states that different genes assort independently during gamete formation is calle:
  1. Dominance
  2. Recessive
  3. Segregation
  4. Heredity
  5. Independent assortment
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74. A scientist performing genetic experiments observed that the two alleles for a particular gene were splitting between two gametes during meiosis. What is this called?
  1. Segregation
  2. Dominance
  3. Recessive
  4. Independent assortment
  5. Allele frequency
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75. Which of the following statements about sex-linked traits in humans is true?
  1. There is an equal probability of inheritance of the trait in children of both sexes.
  2. There are more sex-linked genes on the Y chromosome than on the X chromosome.
  3. X-linked traits can only be inherited from the mother.
  4. Y-linked traits can only be inherited from the father.
  5. Y-linked traits are only inherited by females.
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