Genetic Disorders and Diseases Quiz
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Questions and Answers

What type of genetic disorder is characterized by the presence of an extra chromosome?

  • X-linked
  • Autosomal dominant
  • Chromosomal (correct)
  • Autosomal recessive
  • What is the likelihood of a child being affected if both parents are carriers of an autosomal recessive disorder?

  • 50%
  • 75%
  • 100%
  • 25% (correct)
  • What is the most common type of chromosomal abnormality mentioned in the text?

  • Autosomal dominant disorder
  • X-linked disorder
  • Recessive disorder
  • Trisomy (correct)
  • Which type of genetic disorder is typically passed down from generation to generation?

    <p>Autosomal dominant</p> Signup and view all the answers

    What is the function of DNA in the context of genetic disorders?

    <p>DNA contains the genetic information that determines the characteristics of an organism.</p> Signup and view all the answers

    What is the probability of a child having an autosomal dominant disorder if both parents have the disease-causing gene?

    <p>100%</p> Signup and view all the answers

    What is the purpose of the genome in relation to genetic disorders?

    <p>The genome is the entire map of genes in an organism.</p> Signup and view all the answers

    What is the sex chromosome makeup of a male embryo with a mutated normal Y chromosome?

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

    What is the primary difference between autosomal dominant and autosomal recessive genetic disorders?

    <p>Autosomal dominant disorders are caused by a single altered gene, while autosomal recessive disorders require two altered genes.</p> Signup and view all the answers

    What is the probability of a heterozygous female (one mutated chromosome) having an affected daughter?

    <p>50%</p> Signup and view all the answers

    What is the sex chromosome makeup of a homozygous mutant female?

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

    What type of genetic disorder is caused by a deficiency in G6PD (Glucose-6-phosphate dehydrogenase)?

    <p>X-linked recessive</p> Signup and view all the answers

    What is the process called when an agent affects the development of a fetus or embryo?

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

    Which of the following is NOT mentioned as a potential teratogen in the text?

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

    What is the term used in the text for an agent that can cause abnormal development?

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

    Which condition is characterized by an opening on the underside of the penis in males?

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

    What is indicated by the lack of fusion of the vertebral bones, potentially causing leakage of cerebrospinal fluid?

    <p>Spina bifida</p> Signup and view all the answers

    Which condition is associated with a small head size and underdeveloped brain?

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

    What is the main focus of the given text?

    <p>Chromosomal abnormalities and genetic disorders</p> Signup and view all the answers

    Which of the following statements is true about Klinefelter syndrome?

    <p>It is characterized by an extra X chromosome (XXY).</p> Signup and view all the answers

    What is the probability of congenital anomalies in Saudi Arabia?

    <p>12%</p> Signup and view all the answers

    What is the level of prevention mentioned in the text for a condition with the features 'small testes' and 'no sexual characteristics'?

    <p>Primary prevention</p> Signup and view all the answers

    Based on the information provided, what would be the expected chromosomal makeup of a 13-year-old patient with short stature and lack of secondary sex characteristics?

    <p>The information is insufficient to determine the chromosomal makeup.</p> Signup and view all the answers

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