Which of the following mechanisms is an example of post-transcriptional gene regulation? A. binding of a repressor protein to an operon B. alternative splicing of exons in an RNA transcript C. acetylation of histones in chromatin D. methylation of specific regions of DNA
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.
Which of the following mechanisms is an example of post-transcriptional gene regulation?
The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. It consists of purines and pyrimidines namely adenine (A), guanine (G), cytosine (C) and thymine (T). The genes consist of DNA that are passed on from parents to their progeny. The different form of a gene is called allele. The expression of alleles leads to phenotypic variations in a population.
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