Define the term incomplete linkage.

Important Questions on Principles of Inheritance and Variation

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 25

Enlist the factors affecting crossing over.

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 26

What is the criteria for considering parents as homogametic or heterogametic individuals?

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 27

A person is not able to differentiate between red and green colour. Name the disorder by which person is affected?

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 28

Compare the frequencies of occurrence of spontaneous and induced mutations?

MEDIUM

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 30

A man with blood group AB and his wife with blood group O claim a child with blood group O as their son. Justify with the help of punnett square whether it is possible or not.

MEDIUM

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 31

What are linked genes? How can a pair of linked genes be identified?

EASY

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 32

Why does deletion or insertion of a segment of DNA result in alteration of chromosomes?

MEDIUM

12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 33

Give two advantages of using pedigree analysis in studying genetics?