Explain the chromosomal theory of inheritance.

Important Questions on Chromosomal Basis of Inheritance

HARD

12th Tamil Nadu Board

IMPORTANT

Botany Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Chromosomal Basis of Inheritance>Exercise>Q 22

Write a note on linkage.

HARD

12th Tamil Nadu Board

IMPORTANT

Botany Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Chromosomal Basis of Inheritance>Exercise>Q 23

Write the salient features of Sutton and Boveri concept.

EASY

12th Tamil Nadu Board

IMPORTANT

Botany Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Chromosomal Basis of Inheritance>Exercise>Q 24

Differentiate between the terms: X-linked inheritance and Y- linked inheritance.

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Botany Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Chromosomal Basis of Inheritance>Exercise>Q 25

Explain sex-linked inheritance in Drosophila.

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Botany Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Chromosomal Basis of Inheritance>Exercise>Q 26

Which of the following will not result in variations among siblings?

HARD

12th Tamil Nadu Board

IMPORTANT

Botany Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Chromosomal Basis of Inheritance>Exercise>Q 27

Two genes 'A' and 'B' are linked. In a dihybrid cross involving these two genes, the ${\mathrm{F}}_1$ heterozygote is crossed with homozygous recessive parental type (aabb). What would be the ratio of offspring in the next generation?

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Botany Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Chromosomal Basis of Inheritance>Exercise>Q 28

When a group of genes shows linkage then they

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Botany Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Chromosomal Basis of Inheritance>Exercise>Q 29

The gene for white eye colour in Drosophila is