What should be the genotype of the indicated member?

Important Questions on Principles of Inheritance and Variation

EASY

12th CBSE

IMPORTANT

Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Principles of Inheritance and Variation>Exercise>Q 1

Which of the following represents a pair of contrasting characters?

EASY

12th CBSE

IMPORTANT

Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Principles of Inheritance and Variation>Exercise>Q 2

Occasionally, a single gene may express more than one effect. The phenomenon is called

EASY

12th CBSE

IMPORTANT

Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Principles of Inheritance and Variation>Exercise>Q 3

A cross between two tall plants resulted in offspring having few dwarf plants. What would be the genotypes of both the parents?

MEDIUM

12th CBSE

IMPORTANT

Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Principles of Inheritance and Variation>Exercise>Q 4

In a dihybrid cross, if you get $9:3:3:1$ ratio it denotes that

EASY

12th CBSE

IMPORTANT

Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Principles of Inheritance and Variation>Exercise>Q 5

Segregation of hereditary factors occurs in plants during the process of

EASY

12th CBSE

IMPORTANT

Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Principles of Inheritance and Variation>Exercise>Q 6

If a plant heterozygous for tallness is selfed, the F₂ generation has both tall and dwarf plants. It proves the principle of

MEDIUM

12th CBSE

IMPORTANT

Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Principles of Inheritance and Variation>Exercise>Q 7

A test cross is carried out to

EASY

12th CBSE

IMPORTANT

Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Principles of Inheritance and Variation>Exercise>Q 8

The offspring produced by crossing of red and white are pink. It has proven to be of which type of gene is R?