DNA and Human Connections Quiz
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Questions and Answers

What is DNA?

  • A molecule containing all the information needed to build an entire organism (correct)
  • A molecule found only in identical twins
  • A molecule responsible for determining only physical characteristics
  • A molecule that has no role in inheritance

    • What are genes?

  • The inheritable sections of DNA that corresponds to a particular trait (correct)
  • Sections of DNA that have no impact on physical characteristics
  • Only present in recessive traits
  • Not related to DNA at all

    • What is a phenotype?

  • A molecule responsible for genetic dominance
  • The genetic make-up of a phenotype
  • Description of what the physical characteristic looks like (correct)
  • A molecule containing genetic information

    • What is the genotype for a homozygous recessive individual?

    <p>tt</p> Signup and view all the answers

    What did Gregor Mendel study?

    <p>Genetic characteristics of pea plants</p> Signup and view all the answers

    Law of Independent Assortment

    <p>Mendel's 3 Laws of Inheritance</p> Signup and view all the answers

    DNA

    <p>A molecule containing all the information needed to build an entire organism</p> Signup and view all the answers

    Genotype

    <p>the genetic make-up of a phenotype</p> Signup and view all the answers

    Homozygous dominant

    <p>TT (two dominant genes)</p> Signup and view all the answers

    Recessive

    <p>tt (always two recessive genes)</p> Signup and view all the answers

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