Bacteria are often the preferred hosts for splicing in novel genes. For instance, the gene for human insulin was isolated and moved into a bacterium, which can now produce the much-needed chemical. Previously, type 1 diabetics had to rely on professionals that gathered insulin from human cadavers, cows, and pigs. In order for this feat of genetic engineering to occur, researchers had to start with an unspliced MRNA transcript for sinsulin. Agree/Disagree? Explain your response.
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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