Write a short note on the XX-XY system of sex determination.

Important Questions on Principles of Inheritance and Variation

EASY

12th Uttar Pradesh Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Uttar Pradesh Board-2018>Q 2

Discuss Mendel's law of dominance.

MEDIUM

12th Uttar Pradesh Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Uttar Pradesh Board-2018>Q 3

What do you understand by genotype and phenotype?

MEDIUM

12th Uttar Pradesh Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Uttar Pradesh Board-2018>Q 4

What is the difference between drone, worker, and queen bees on a genetic basis?

EASY

12th Uttar Pradesh Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Uttar Pradesh Board-2018>Q 5

Write a short note on Down's syndrome.

HARD

12th Uttar Pradesh Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Uttar Pradesh Board-2018>Q 6

What is sex-linked inheritance? Describe the inheritance of haemophilia.

EASY

12th Uttar Pradesh Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Uttar Pradesh Board-2019>Q 7

X-linked genes are found in 

MEDIUM

12th Uttar Pradesh Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Uttar Pradesh Board-2019>Q 8

Draw the diagram of chromosomes of Turner syndrome.

MEDIUM

12th Uttar Pradesh Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Uttar Pradesh Board-2019>Q 9

Explain pleiotropy and multiple inheritance.