say something or exolain about genes not less than 200 words
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Answer:
In genetics, gene expression is the most fundamental level at which the genotype gives rise to the phenotype, i.e. observable trait. The genetic information stored in DNA represents the genotype, whereas the phenotype results from the "interpretation" of that information. Such phenotypes are often expressed by the synthesis of proteins that control the organism's structure and development, or that act as enzymes catalyzing specific metabolic pathways.
All steps in the gene expression process may be modulated (regulated), including the transcription, RNA splicing, translation, and post-translational modification of a protein. Regulation of gene expression gives control over the timing, location, and amount of a given gene product (protein or ncRNA) present in a cell and can have a profound effect on the cellular structure and function. Regulation of gene expression is the basis for cellular differentiation, development, morphogenesis and the versatility and adaptability of any organism. Gene regulation may therefore serve as a substrate for evolutionary change
Answer:
The gene is basic physical unit of inherited. Genes are passed from parents to offspring and contain the information needed to specify traits .Genes are arranged one after another on structures called chromosomes. A chromosome containing a single,long DNA molecule,only a portion to which correspond to a single gene .Humans have approximately 20,000 genes arranged on their chromosomes .
Each gene has a special job to . the DNA in the gene spells out specific instructions-much like a cookbook recipe for making proteins in cells.Proteins are the building block for everything in your body. Bones and teeth,hair and earlobes,muscle and blood are made up of proteins.
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