Practice Sex Determination - 4.6 | 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

What is sex determination?

💡 Hint: Think about what influences whether an organism is female or male.

Question 2

Easy

What chromosomes do females have in the XY system?

💡 Hint: Consider the opposite of males in the XY system.

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 sex determination system do humans use?

  • XO system
  • XY system
  • ZW system

💡 Hint: Think about the chromosome combinations in males and females.

Question 2

True or False: In the XO system, females have only one X chromosome.

  • True
  • False

💡 Hint: Consider the chromosomal structure of both sexes.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You have a species exhibiting the ZW sex determination system. If a ZW female mates with a ZZ male, what possible offspring combinations can occur?

💡 Hint: Think about the chromosome contributions from both parents.

Question 2

In a cross between two individuals of the XY system, one homozygous dominant for an X-linked trait is mated with a male. What will be the expected genotype ratios of their offspring?

💡 Hint: Consider how X-linked characteristics are passed from affected females to males.

Challenge and get performance evaluation