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

4.8 - Genetic Disorders

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Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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