15. The following is a list of some mRNA codons representing various amino acids. Met-AUG, Pro - CCC, Phe-UUU, Gly - GGC, GGU Leu - CUA, Arg - CGA, CGG Ser - UCU, Asp - AAU Thr-ACC, Val - GUA His - CAC A portion of a strand of DNA contains the following nucleotide sequence: 5'...AAA GAT TAC CAT GGG CCG GCT...3' (a) What is the mRNA sequence transcribed from it? (b) What is the amino acid sequence of this partially-synthesized protein? alor (c) What is the amino acid sequence if, during transcription, the third G on the left in the DNA is read as T? (d) What is the amino acid sequence if, during translation, the first two Us of the mRNA are not read and the fourth C from the left in the mRNA is not read or is deleted?
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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