The following is diagram of a generalized tetranucleotide. Carbons exist at corners on the shapes and phosphate groups are filled circles A. Suppose that one of the precursors for the tetranucleotide in the diagram was a 32P-labeled guanine nucleoside triphosphate (the innermost phosphate containing the radioactive phosphorus). Where is the radioactive phosphorus atom (i.e., one of the solid black balls) as it exists in the tetranucleotide B. If spleen diesterase (which induces breaks between the phosphate and the 5’ carbon) is used to digest the pictured tetranucleotide, state which base(s) among the breakdown products will be expected to be attached to the 32P.

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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.