Changing only the R-group on a penicillin-family antibiotic could have many consequences. Which of the following possibilities is LEAST likely? Changing the R-group on a penicillin-family antibiotic would cause it to become a protein-synthesis inhibitor. Changing the R-group on a penicillin-family antibiotic would increase the half-life of the drug. Changing the R-group on a penicillin-family antibiotic would make a version that is more effective at killing Gram negative cells. Changing the R-group on a penicillin-family antibiotic would change the dosage that you would give a patient.

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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.