All humans look different with different skin textures, eye colors, noses, and ear sizes. The factor for these variations in each person is their genes, as all features we get are due to our genes. In a way, genes are the “instruction guide” for our body, and these contain a chemical known as DNA. Gene therapy impact factor is huge in taking care of our health. All unique genes have a DNA sequence that is normal” for that type of gene. It is known as a gene variant. Sometimes, they pass from parent to child.
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