The arrangement of $DNA$ has the triplet base sequence $AAC\ GAC\ AGC\ GGC\ ACA\ AAA$. Due to a mutation,the first base is deleted. What is the likely effect of this on the coding of the $DNA$ segment?

  • A
    The first amino acid will be different and all others will be like the earlier polypeptide.
  • B
    The polypeptide will have one amino acid less.
  • C
    There will be a complete change in the types and sequence of amino acids.
  • D
    There will be no change in the polypeptide chain formed.

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Similar Questions

Explain the contributions of the following scientists:
$1.$ George Gamow
$2.$ Marshall Nirenberg

The codons $UUU$ and $UUC$ code for phenylalanine only. This feature of the genetic code is called:

How many types of anticodons are present in a cell?

Select the incorrect statement$(s)$.
$i.$ Six codons do not code for any amino acid.
$ii.$ Codon is read in $mRNA$ in a contiguous fashion.
$iii.$ Three codons function as stop codons.
$iv.$ The initiation codon $AUG$ codes for methionine.

Select the correct option for George Gamow.

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