Definition of investigate written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Learner's Dictionary mobile search
Gene. Definition. noun, plural: genes. (cell and molecular biology). The fundamental, physical, and functional unit of heredity. Supplement. It is because a gene is a segment of DNA (on a specific site on a chromosome) that is responsible for the physical and inheritable characteristics or phenotype of an organism.It also specifies the structure of a protein, and an RNA molecule. A gene is formerly called a factor.upplement. It is because a gene is a segment of DNA (on a specific site on a chromosome) that is responsible for the physical and inheritable characteristics or phenotype of an organism. It also specifies the structure of a protein, and an RNA molecule.
A gene is a sequence of DNA nucleotide bases that codes for a sequence of nucleotides in an RNA molecule. DNA is restricted to nucleus; protein synthesis occurs at ribosomes in the cytoplasm. Ribonucleic acid (RNA) is found in both regions of the cell.