Directions: Transcribe the mutated DNA sequence in the space provided. The BOLDED nitrogen bases are the mutated insertion. MUTATED DNA sequence: ACC TTA CTA CCT CTC ATT MRNA sequence: Directions: Now use the codon chart to translate the mRNA sequence into an amino acid chain. Second letter U A UUUPhe UAU Tyr UGU UGC. UCU) UCC UCA UCG Cys UACS Ser UAA Stop UGA Stop A C UUC UUA UUG Leu UAG Stop UGG Trp CAU His CAC, CGU CGC CUU CUC Leu CUA CCU) CC CCA Pro Arg CGA CGG CAA A CUG CAG Gin AAUASN ACU ACC ACA AGU Ser AGC AUU AUC Fle A. AUA AAC Thr AAA AGA Arg AAGLYS GAU ASP GAC GAA GAGJ AUG Met ACG AGG GUU) GCU) GGU GGC GUC Val GUA GCC Ala GCA Gly GGA GUG GCG Glu GGG Amino acid sequence: Compare the resulting amino acid sequence from the original TYR gene and the mutated TYR gene. What do you notice? Based on what you noticed in this exercise attempt to define mutation: First letter DUAG Third letter DUAG
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.
Condon is the trinucleotide nitrogenous bases that codes for specific amino acids and there are in total 64 codon that codes for 20 amino acids. Out of 20 three are called stop codons that terminates the transcription process.
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