Genetics and Inheritance: Mendel's Discoveries
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Questions and Answers

What did Gregor Mendel's work demonstrate about inheritance?

  • Inheritance is influenced by environmental factors.
  • Inheritance occurs through genes that maintain their structural identity. (correct)
  • Inheritance is a result of blending properties of sperm and egg.
  • Inheritance is determined by the type of chromosomes present.
  • Why do most genes come in pairs?

  • To ensure blending of genetic traits.
  • To allow for gene overlap.
  • Because they are aligned along pairs of chromosomes. (correct)
  • To prevent mutations.
  • What is the exception to the rule that most genes come in pairs in mammals?

  • Unpaired A and B chromosomes in male mammals.
  • Unpaired X and Y chromosomes in female mammals.
  • Unpaired X and Z chromosomes in male mammals.
  • Unpaired X and Y chromosomes in male mammals. (correct)
  • What serves as a template for the synthesis of ribonucleic acid (RNA) molecules?

    <p>A strand of DNA.</p> Signup and view all the answers

    What determines the order of corresponding bases along an RNA molecule?

    <p>The order of bases in DNA.</p> Signup and view all the answers

    What are the four bases found in DNA?

    <p>Adenine, guanine, cytosine, and thymine.</p> Signup and view all the answers

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