Practice Genetic Disorders - 4.8 | 4. Principles of Inheritance and Variation | CBSE Grade-12 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define genetic disorder.

💡 Hint: Think about the role of genes in health.

Question 2

Easy

What is pedigree analysis?

💡 Hint: Consider how family trees can display traits.

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

What type of genetic disorder is caused by a mutation in a single gene?

  • Mendelian Disorders
  • Chromosomal Disorders
  • Polygenic Disorders

💡 Hint: Think about genetic inheritance patterns.

Question 2

True or False: Down syndrome is a Mendelian disorder.

  • True
  • False

💡 Hint: Consider the cause of Down syndrome.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A family has a history of cystic fibrosis (recessive disorder). If both parents are carriers, what is the probability that their child will have the disorder?

💡 Hint: Use a Punnett square for the cross Cc x Cc.

Question 2

Analyze a pedigree chart showing five generations where a dominant trait appears. What can you infer about the trait’s inheritance pattern?

💡 Hint: Look for patterns in affected and unaffected individuals.

Challenge and get performance evaluation