Practice Genetic Disorders - 1.9 | Chapter 2: Genetics and Evolution | ICSE Class 12 Biology
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Practice Questions

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Question 1

Easy

What is a Mendelian disorder?

💡 Hint: Think about inheritance and mutations.

Question 2

Easy

Name one characteristic of chromosomal disorders.

💡 Hint: Consider factors like Down syndrome.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

Which of the following is a characteristic of Mendelian disorders?

  • Mutations in multiple genes
  • Single gene mutations
  • Involve chromosomal abnormalities

💡 Hint: Think about the definition of Mendelian disorders.

Question 2

True or False: Down syndrome is caused by a mutation in a single gene.

  • True
  • False

💡 Hint: Consider how Down syndrome is classified.

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Challenge Problems

Push your limits with challenges.

Question 1

If a child with cystic fibrosis has a sibling, what is the probability that the sibling is also affected? Explain the inheritance pattern.

💡 Hint: Use a Punnett square to visualize the chances.

Question 2

Discuss the implications of nondisjunction on genetic diversity in a population. How might this affect inheritance patterns over generations?

💡 Hint: Think about the broader effects of genetic disorders on a population.

Challenge and get performance evaluation