(D) Mutation is a sudden heritable change in the gene structure of an organism. The term $Genetic$ $mutation$ is the broad category that encompasses b

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(D) Mutation is a sudden heritable change in the gene structure of an organism. The term $Genetic$ $mutation$ is the broad category that encompasses both $Somatic$ $mutation$ (occurring in body cells) and $Germinal$ (or $Zygotic$) $mutation$ (occurring in reproductive cells). Therefore,$Genetic$ $mutation$ is the primary classification.

Class 12 Biology Principles of Inheritance and Variation Mutation

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Which of the following is the main category of mutation?

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A
All of these
B
Zygotic mutation
C
Somatic mutation
D
Genetic mutation

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Chapter

Principles of Inheritance and Variation

Subtopic

Mutation

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Mutation introduces new genes into a species and brings about the changes in

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Mutations are generally ........

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$A$ chimera is produced due to:

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The average rate of mutation is ...... .

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Match the columns:

Column-$I$ Column-$II$

$(1)$ Lethal mutation $(a)$ Mutation caused by external factors

$(2)$ Spontaneous mutation $(b)$ They are metabolic errors

$(3)$ Induced mutation $(c)$ As a result the mutant dies

$(4)$ Biochemical mutation $(d)$ Most of the mutations occurring in nature are of this type

Column-$I$	Column-$II$
$(1)$ Lethal mutation	$(a)$ Mutation caused by external factors
$(2)$ Spontaneous mutation	$(b)$ They are metabolic errors
$(3)$ Induced mutation	$(c)$ As a result the mutant dies
$(4)$ Biochemical mutation	$(d)$ Most of the mutations occurring in nature are of this type