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Dils joree Asked a Question
February 9, 2022 9:40 pmpts 30 pts
  • CSIR NET
  • Life Sciences

Given below is a partial coding sequence of a gene: 5- aatg gacgcatgtgtc gatgg 3' which one of the following polypeptides cannot be produced by transcription an

Given below is a partial coding sequence of a gene: 5- AATG GACGCATGTGTC GATGG 3' Which one of the following polypeptides CANNOT be produced by transcription and translation of the above DNA sequence in any of the three possible reading frames? Asn - Gly - Arg - Met Cys Arg- Trp Asn Ala Cys Phe Ser - His (1) (2) Met - Asp Ala Cys Val - Asp (3) Trp Thr - His - Val Ser Met (4)
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  • Krishan k jakhad
    now u got it right ... actually 2 is not correct.
    • cropped3160132691504007560.jpg
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  • Dils joree
    thank you. you made it so easy. when we know the concept it is so easy
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  • Krishan k jakhad Best Answer
    only 1 can be produced rest are not possible. see triplet codons in attachment.
    • cropped1225002396646096292.jpg
    • cropped9152657894431536128.jpg
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    Dils joree
    sir option 1 ,3 and 4 are possible in three different reading frames. methionine than comes in three positions
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