EASY
9th Maharashtra Board
IMPORTANT
Earn 100

How do specific traits or characteristics appear in organisms?

Important Questions on Heredity and Variation

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 16 - Heredity and Variation>Use your brain power !>Q 1
Show the monohybrid cross between (RR) and (rr) and write the phenotypic ratio of F2 generation.
MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 16 - Heredity and Variation>Use your brain power !>Q 2
Why did the characteristic of the Rounded-Yellow seeds alone appear in F1 generation but not the characteristic of the wrinkled-green seeds?
EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 16 - Heredity and Variation>Exercises>Q 1

(inheritance, sexual reproduction, asexual reproduction, chromosomes, RNA, gene)

Hereditary characters are transferred from parents to offsprings by _____ hence they are said to be structural and functional units of heredity.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 16 - Heredity and Variation>Exercises>Q 1

(inheritance, sexual reproduction, asexual reproduction, chromosomes, DNA, RNA, gene)

Organisms produced by _____ show minor variations.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 16 - Heredity and Variation>Exercises>Q 1

(Inheritance, sexual reproduction, asexual reproduction, chromosomes, DNA, RNA, gene)

The component which is in the nuclei of cells and carries the hereditary characteristics is called _____.

EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 16 - Heredity and Variation>Exercises>Q 1

(Inheritance, sexual reproduction, asexual reproduction, chromosomes, DNA, RNA, gene)

Chromosomes are mainly made up of _____.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 16 - Heredity and Variation>Exercises>Q 1

(Inheritance, sexual reproduction, asexual reproduction, chromosomes, DNA, RNA, gene)

Organisms produced through _____ show major variations.

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 16 - Heredity and Variation>Exercises>Q 2

Explain following.

Explain Mendel’s monohybrid progeny with the help of any one cross.