Questions

Mutation is defined as:

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Alteration of DNA sequences that consequently results in changes in the genotype but no change in the phenotype of an organism.

Alteration of DNA sequences that consequently results in changes in the genotype and the phenotype of an organism.

Alteration of DNA sequences and consequently results in changes in the phenotype but no changes in the genotype of an organism.

Alteration in gene function that are mitotically and/or meiotically heritable and that do not involve a change in DNA sequence.

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detailed solution

Correct option is B

Mutation is a phenomenon which results in alteration of DNA sequences and consequently results in changes in the genotype and the phenotypeof an organism. In addition to recombination, mutation is another phenomenon that leads to variation in DNA.

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Similar Questions

Match Column I with Column II

	Column I		Column II
a.	Missense mutation	i.	Changes a sense codon into a synonymous codon, leaving unchanged the amino acid sequence of the protein
b.	Nonsense mutation	ii.	Changes a sense codon into a different sense codon, resulting in the incorporation of a different amino acid in the protein
c.	Silent mutation	iii.	Changes a mutant phenotype back to the wild-type phenotype
d.	Reverse mutation	iv.	Changes a sense codon into a nonsense codon, causing premature termination of translation