Abnormalities of Chromosome Structure
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Questions and Answers

What is the result of the failure of proper homologous chromosomes recombination during meiosis I?

  • Chromosome missegregation (correct)
  • Chromosome deletion
  • Chromosome duplication
  • Chromosome inversion
  • What is the term for a structural rearrangement that retains the normal complement of chromosomal material?

  • Chromosomal duplication
  • Balanced rearrangement (correct)
  • Chromosomal deletion
  • Unbalanced rearrangement
  • Which type of chromosomal abnormality is characterized by a chromosomal segment being attached to a non-homologous chromosome?

  • Duplication
  • Inversion
  • Deletion
  • Translocation (correct)
  • What is the term for a chromosomal abnormality where a segment is reversed in its orientation?

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

    Which type of chromosomal abnormality is characterized by a chromosomal segment being copied and inserted elsewhere in the genome?

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

    What is the term for a chromosomal abnormality where a segment is entirely missing?

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

    Which type of chromosomal abnormality is characterized by a chromosomal segment being attached to its own chromosome, but in a reverse orientation?

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

    What is the result of abnormalities in somatic recombination?

    <p>Genome instability</p> Signup and view all the answers

    What determines the amounts and patterns of meiotic recombination?

    <p>Sequence variants in specific genes</p> Signup and view all the answers

    What is the term for a chromosomal abnormality where a segment is broken and reattached to a non-homologous chromosome, resulting in a chromosomal rearrangement?

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

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