Genetics and Molecular Biology: Key Concepts
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Questions and Answers

What is the primary function of the centromere in a chromosome?

  • To stain the chromosome
  • To divide the chromosome into two arms (correct)
  • To synthesize ribosomes
  • To contain functional genes

    • Which type of chromosome has a short (p) and long arm (q)?

  • Metacentric
  • Telocentric
  • Acrocentric
  • Submetacentric (correct)

    • What is the characteristic of heterochromatin?

  • It contains functional genes
  • It is less coiled and has less repetitive DNA
  • It is more highly coiled and has more repetitive DNA (correct)
  • It is found only in telomeres

    • What is the function of telomeres in chromosomes?

    <p>To stabilize functional euchromatin</p> Signup and view all the answers

    What is the characteristic of euchromatin?

    <p>It contains functional genes</p> Signup and view all the answers

    What is the function of satellite structures in chromosomes?

    <p>To form the nucleolus</p> Signup and view all the answers

    What is the sequence found in telomeres?

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

    What is the purpose of karyotyping?

    <p>To visualize chromosomal aberrations</p> Signup and view all the answers

    What information does a chromosomal shorthand provide?

    <p>The type of chromosome abnormalities</p> Signup and view all the answers

    What is the purpose of staining in chromosomes?

    <p>To distinguish between heterochromatin and euchromatin</p> Signup and view all the answers

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