Q12: The sequence below shows one strand of DNA. Parts of the sequence are in capital letters to help you identify important features – capitalization does not affect the nucleotide indicated. 5'.atacaATGcATGTCAaCTAcgaagatccgTAGaTAACATtCATatc..3' a. Underneath that strand write the sequence of the strand of DNA it would be paired with in a doublestranded helix. Use the single letter code A-adenosine, G-guanosine, T-thymine, U-uracil and C-cytosine and remember to label the 5' and 3' ends. b. Next, write the sequence of a possible mRNA transcript of the double stranded DNA above. Remember that an mRNA must be translatable by a ribosome into a protein. Be sure to indicate 5' and 3’ ends. c. Translate your mRNA into the appropriate protein. Write the amino acid sequence of the protein using the single letter amino acid below the mRNA sequence in (b) and label the amino and carboxy terminals
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
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