Cytogenetics: Basic Concepts and History
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Questions and Answers

Who is credited with the first illustrations of human chromosomes?

  • Walter Flemming (correct)
  • Watson and Crick
  • Gregor Mendel
  • Schleiden and Schwann

What does the Greek word 'chromosome' mean?

  • Colored body (correct)
  • Cell division
  • Genetic material
  • Nucleus

Who proposed the 'Chromosome theory of inheritance'?

  • Walter Sutton (correct)
  • Y.H.
  • Morgan, Sturtevant, Muller, Bridges
  • Schleiden and Schwann

Which event in the timeline involved the discovery that genes consist of DNA?

<p>DNA as the material basis by Avery, MacLeod, McCarty (B)</p> Signup and view all the answers

Who were the individuals that described the first chromosomal aberrations in humans?

<p>Lejeune, Gautier, Turpin (B)</p> Signup and view all the answers

What discipline did Walter Sutton combine to form cytogenetics?

<p>Cytology and genetics (D)</p> Signup and view all the answers

What is the most common type of chromosomal abnormality?

<p>Aneuploidy (B)</p> Signup and view all the answers

Which genetic technology helps with fertility and prevents genetic problems?

<p>In vitro fertilization (IVF) (B)</p> Signup and view all the answers

What is the main focus of conservation genetics?

<p>Reducing species extinction risk (A)</p> Signup and view all the answers

In a eukaryotic cell, what structure separates the genetic material copies during cell division?

<p>Chromatids (A)</p> Signup and view all the answers

What is the basic difference between prokaryotic and eukaryotic cells in terms of genetic material?

<p>Prokaryotic cells have a single, circular chromosome, while eukaryotic cells have multiple linear chromosomes. (D)</p> Signup and view all the answers

What is the purpose of mitosis and meiosis in eukaryotic cell reproduction?

<p>To ensure complete transfer of genetic information to new cells (A)</p> Signup and view all the answers

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