MEDIUM
12th ICSE
IMPORTANT
Earn 100

Give two advantages of using pedigree analysis in studying genetics?

Important Questions on Principles of Inheritance and Variation

MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 34
Why sickle cell anaemia is beneficial for people living in malaria prone regions?
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 35
How is Klinefelter syndrome different from Turner's syndrome?
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 36
Describe sex-determination in birds with example.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 37
Differentiate between the terms: X-linked inheritance and Y- linked inheritance.
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 38
Explain sex-linked inheritance in Drosophila.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 39
Write a short note on mutation.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 40

Given below is a table showing the genotypes of blood groups in the human population.

 S.no   Genotype  Phenotype
 1.  W  Y
 2.  IB IO  Z
 3.  IA IB  AB
 4.  X  O

Identify the genotype W and X, and the phenotype Y and Z.

EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 40

How is codominance different from incomplete dominance and complete dominance?