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www.reference.com/article/gene-therapy-work-21f211a020011451

Gene therapy is an experimental technique performed by replacing a mutated gene with a healthy copy of the gene as an alternative to surgery or medications. It is designed to make a beneficial protein or introduce new genes to mutated cells to compensate for a patient's abnormal genes, explains Gene

www.reference.com/article/purpose-gene-therapy-19ad23ebdce16596

According to Genetics Home Reference, gene therapy requires the use of healthy genes to treat illnesses. Instead of a person undergoing surgery, genes are introduced to a patient's body to replace corrupted DNA. Another method is to inactivate negative genes instead of replacing them.

www.reference.com/article/benefits-gene-therapy-afad0706d5e0bf44

Though still experimental, gene therapy fixes genetic defects and potentially reduces the need for drugs, radiation or surgical intervention. Replacing bad genes with good ones may eventually cure Parkinson’s, Alzheimer’s, cancer and many other diseases.

www.reference.com/science/many-genes-humans-ede876da5bee6447

While scientists have not arrived at a final number yet, as of 2014, estimates suggest that the number of protein-coding genes in the human genome could be as low as 19,000. Determining which genetic sequences are redundant or noncoding is arduous and complex, and there is still much disagreement.

www.reference.com/article/different-form-gene-b4a9c740a43dd157

Genes that occur at the same place on the chromosome but occur in different forms are called alleles. Alleles are essentially different versions of a gene, and they can cause dissimilarities in an organism's function or structure. An example is the gene responsible for melanin production in most ani

www.reference.com/science/genes-located-cac7a3c405d18fbd

Genes, which are segments of DNA acids, are found within the nuclei of cells in living organisms. Genes add specific proteins to chromosomes, which contain the basic genetic code for life. They contain the information needed to build the cells of a living organism and pass traits to offspring. Genes

www.reference.com/article/different-forms-gene-called-abd1e4595fd0b0a3

Different forms of the same gene are called alleles. A genetic locus is the spot on the chromosome where alleles for a specific gene can be found. Diploid organisms, including humans, have two alleles at each genetic locus because they inherit one allele from each parent.

www.reference.com/article/pros-cons-associated-gene-therapy-5ff98f36ced3c88d

Gene therapy is a treatment that revolves around altering the genes inside cells to stop disease, according to Mayo Clinic. The pros include helping people fight disease or even cure their disease, while some cons are unwanted immune reactions, infections, tumors and damaging healthy cells.

www.reference.com/article/relationship-between-genes-proteins-93a467a86df93996

Genes are the complete DNA instructions for the construction of a protein. Each gene is composed of groups of three nucleotides called codons. Each codon instructs the cell to add a particular amino acid to the assembling protein.

www.reference.com/article/discovered-genes-89203d7d70fe86fb

Wilhelm Johannsen coined the term "gene" in 1909. However, before him came scientists such as Gregor Mendel, Hugo de Vries, Carl Correns and Erich von Tschermak who all developed theories on inheritance patterns in plants. They all understood that traits could be inherited, but they did not visualiz