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A mutation arises due to alteration in

( a ) amino acid sequence
( b ) rRNA sequence
( c ) mRNA sequence
( d ) DNA sequence

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Ans: (D) DNA Sequence
Changing of a structure of a gene resulting in a variant form which may be transmitted to subsequent generations caused by the alteration of single base units in DNA or deletion, insertion or rearrangement of large sections of genes / Chromosomes.
answered Nov 30, 2016 by suganyadevi.p