(D) The genetic code is degenerate,which means that more than one codon can code for the same amino acid.Since there are $64$ possible codons and only

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(D) The genetic code is degenerate,which means that more than one codon can code for the same amino acid.Since there are $64$ possible codons and only $20$ amino acids to be coded,some amino acids are specified by more than one codon.This redundancy or degeneracy ensures that the genetic code is robust against mutations.Therefore,the correct answer is $D$.

Class 12 Biology Molecular Basis of Inheritance Genetic code

Medium

Out of $64$ codons,$61$ codons code for $20$ types of amino acids. This phenomenon is called:

AIPMT 2002 All AIPMT

A
Wobbling of codon
B
Overlapping of gene
C
Universality of codons
D
Degeneracy of genetic code

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Class 12

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Chapter

Molecular Basis of Inheritance

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Genetic code

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AIPMT 2002 Paper All AIPMT years →

From the following,identify the correct combination of salient features of the Genetic Code.

MediumNEET 2019

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The terms $Gene$ and $Cistron$ are sometimes used as synonyms because:

MediumAIPMT 2001

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Statement $P$: An $m-RNA$ consists of $75$ nucleotides.
Statement $Q$: There are $61$ types of codons in the cytoplasm.

Medium

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Which of the following codons is correctly matched with its specific amino acid or start/stop signal in protein synthesis?

Easy

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If a gene encodes a polypeptide of $50$ amino acids and the $25^{th}$ codon mutates to $UAA$,what will be the result?

Medium

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Out of $64$ codons,$61$ codons code for $20$ types of amino acids. This phenomenon is called:

Similar Questions

From the following,identify the correct combination of salient features of the Genetic Code.

The terms $Gene$ and $Cistron$ are sometimes used as synonyms because:

Statement $P$: An $m-RNA$ consists of $75$ nucleotides.Statement $Q$: There are $61$ types of codons in the cytoplasm.

Which of the following codons is correctly matched with its specific amino acid or start/stop signal in protein synthesis?

If a gene encodes a polypeptide of $50$ amino acids and the $25^{th}$ codon mutates to $UAA$,what will be the result?

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Statement $P$: An $m-RNA$ consists of $75$ nucleotides.
Statement $Q$: There are $61$ types of codons in the cytoplasm.