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Karnataka Board PUCPUC Science 2nd PUC Class 12

A single base mutation in a gene may not ‘always’ result in loss or gain of function. Do you think the statement is correct? Defend your answer.

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Questions

A single base mutation in a gene may not ‘always’ result in loss or gain of function. Do you think the statement is correct? Defend your answer.

A single base mutation in a gene may not ‘always’ result in loss or gain of function. Do you think the statement is correct?

Very Short Answer
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Solution

The statement is correct. Because of degeneracy of codons, mutations at third base of codon, usually does not result into any change in phenotype. This is called silent mutations.

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Notes

Students should refer to the answer according to their questions.

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Chapter 6: Molecular Basis of Inheritance - SHORT ANSWER [Page 42]

APPEARS IN

NCERT Exemplar Biology Exemplar [English] Class 12
Chapter 6 Molecular Basis of Inheritance
SHORT ANSWER | Q 13. | Page 42
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Chapter 4 Principles of Inheritance and Variation
HIGHER ORDER THINKING SKILLS QUESTIONS | Q 27. | Page 211

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