Chromosome Classification Flashcards
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Questions and Answers

What is the definition of Metacentric?

  • Constriction is at the end
  • Morphologically similar
  • Constriction is at the center (correct)
  • Constriction is very near the end

    • What does Telocentric refer to?

  • Constriction is very near the end
  • Constriction is at the center
  • Dissimilar
  • Constriction is at the end (correct)

    • What does Acrocentric mean?

  • Constriction is very near the end (correct)
  • Cell with two complete sets of chromosomes
  • Constriction is at the end
  • Constriction is at the center

    • What does Homophoric mean?

    <p>Morphologically similar</p> Signup and view all the answers

    What is the definition of Heteromorphic?

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

    What defines a Diploid cell?

    <p>Cell with two complete sets of homologous chromosomes</p> Signup and view all the answers

    What is a Haploid cell?

    <p>Cell with one complete copy of chromosome</p> Signup and view all the answers

    What is the function of a Kinetochore?

    <p>Attachment for spindle fiber, microtubules that control the chromosome</p> Signup and view all the answers

    Where is the Centromere located?

    <p>Constriction in the chromosome where the kinetochore lies</p> Signup and view all the answers

    Study Notes

    Chromosome Classification Terms

    • Metacentric: Chromosomes with centromere located centrally, resulting in two equal arms.
    • Telocentric: Chromosomes have a centromere positioned at one end, producing a single long arm.
    • Acrocentric: Chromosomes where the centromere is located very close to one end, leading to one short arm and one long arm.

    Morphological Classification

    • Homomorphic: Refers to chromosomes that are morphologically similar, this term often describes the XX chromosome pair.
    • Heteromorphic: Describes chromosomes that are dissimilar in appearance, commonly refers to the XY chromosome pair.

    Cell Type Classification

    • Diploid: Cells containing two complete sets of homologous chromosomes, typical in somatic cells.
    • Haploid: Cells that have one complete set of chromosomes, usually found in gametes (sperm and egg cells).

    Chromosomal Structure and Function

    • Kinetochore: Protein structure on the chromosome where spindle fibers attach, essential for chromosome movement during cell division.
    • Centromere: The constricted region of the chromosome where the kinetochore is located, playing a crucial role in chromosome segregation.

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    Description

    Test your knowledge on chromosome classification with these flashcards. Learn the definitions of terms like metacentric, telocentric, and others related to chromosomal structure and morphology. Perfect for students studying genetics and cellular biology.

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