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biochem - 25hydroxylase - Printable Version

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biochem - 25hydroxylase - ArchivalUser - 12-04-2008

. Beta-Thalassemia results in the reduction of beta chains of hemoglobin due to errors in the processing of the initial mRNA transcript. The mechanism is most likely to involve a single nucleotide change in which of the following?

A. AUG start codon
B. Enhancer element in the first intron
C. Splice site
D. Termination codon
E. Upstream promoter element



0 - ArchivalUser - 12-04-2008

c


25 - ArchivalUser - 12-04-2008

explain


0 - ArchivalUser - 12-04-2008

Reduction of beta chains in the haemoglobin result on mutation of a protein through splice sites and splicing of beta globin mRNA are responsible for few cases of beta thalassemia....