ACTIVITY 2: Protein Synthesis DNA: 3' A G C C G T A GA AТТ 5' 1. Using this strand of DNA as a template, DRAW A PICTURE of the complete DNA molecule. Include ALL parts of the DNA molecule. You do not need to draw your molecule with atomic accuracy. Now draw a complete picture of the mRNA strand that will be made from this DNA. Label the 5' and 3' ends of your mRNA strand. (Use the given DNA strand at the top of this page as your template...) 3. Carefully indicate the codons present in the mRNA strand from question 2. 4. Draw a COMPLETE picture of all the tRNA molecules that will match up with the codons from the previous question. Include ALL APPROPRIATE amino acids in your picture, and do not mix up their order! Draw a picture of the completed protein coded for by this strand of DNA (abbreviations are fine). Show the amino acids in the same order they would be observed in the finished protein.
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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