Three similar proteins are expressed in human tissues: HHT1 is expressed in the liver,  HHT2 is expressed in the pancreas, and HHT3 is expressed in the heart. You are given the task of investigating how these 3 similar proteins are produced. After investigation, you conclude that: all answers are correct it is possible that HHT1 and 3 are produced via alternative splicing, and HHT2 is encoded by a different gene it is possible that all 3 proteins are encoded by the same gene and produced via alternative splicing it is possible that each of these proteins are encoded by different genes (3 different genes)

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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.