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A small stretch of DNA strand that codes for a polypeptide is shown below:3'--- --- --- --- CAT CAT AGA TGA AAC--- --- --- --- 5'(a) Which type of mutation could have occurred in each type resulting in the following mistakes during replication of the above original sequence? (i) 3`… … … …CAT CAT AGA TGA ATC… … …5` (ii) 3`… … … …CAT ATA GAT GAA AC… … … 5`(b) How many amino acids will be translated from each of the above strands (i) and (ii)? |
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Answer» (a) i. point mutation/ single base substitution ii. point mutation/ single base deletion (b) i. 4 aminoacids ii. 4 aminoacids |
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