In his infamous, genetic code-cracking experiment, what did Nirenberg use as a source of transla machinery (such as ribosomes)? O radiolabeled amino acids O purified tRNA molecules O a cell-free extract from bacteria O DNAse
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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Introduction
Codons, or words, are the four letters that make up each of the three-letter words that make up a codon in DNA. The effort of Marshall Nirenberg and his associates at the National Institutes of Health was to translate the genetic code's language. Their meticulous work from the 1960s set the groundwork for deciphering the complete human genome's sequences.
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