Numerical Abnormalities and Chromosomes Quiz

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Questions and Answers

What is the main cause of Edwards Syndrome?

  • Advanced paternal age
  • Exposure to environmental toxins
  • Genetic mutation in the mother
  • Presence of an extra 18th chromosome (correct)

Which of the following is NOT a feature commonly associated with Edwards Syndrome?

  • Low birthweight
  • Tall stature (correct)
  • Long fingers that overlap
  • Small jaw and mouth

What is a common reason for the very low rate of survival in individuals with Edwards Syndrome?

  • Enhanced metabolic rate
  • Heart abnormalities (correct)
  • Improved kidney function
  • Heightened immune function

In which group does the incidence of Edwards Syndrome increase?

<p>As the mother's age increases (C)</p> Signup and view all the answers

What are the characteristic facial features associated with Warkany Syndrome Trisomy 8?

<p>Prominent forehead and widely-spaced eyes (C)</p> Signup and view all the answers

What are the kidney and cardiac abnormalities associated with Trisomy 8?

<p>Cystic kidneys and atrial septal defects (A)</p> Signup and view all the answers

Which physical abnormality is not commonly associated with Warkany Syndrome Trisomy 8?

<p>Prominent chin and broad shoulders (B)</p> Signup and view all the answers

What is the term used to describe defects involving an abnormality in the number of chromosomes?

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

Which term refers to the condition of having a normal number of structurally normal chromosomes?

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

What is the result of nondisjunction during cell division?

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

Which term refers to the presence of an extra chromosome?

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

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