Understanding Human Genetics: The Complexity of Protein-Coding Genes

The historical understanding of genes was that one gene corresponds to one protein, giving rise to the belief that humans have around 100,000 genes. However, after the cracking of the human genome, it was discovered that humans only have 19,000 protein-coding genes, significantly less than previously anticipated. This led to a period of uncertainty and debate, culminating in the acceptance of omnigenics, which suggests that each gene can impact every trait and exhibit varying functions based on its context. This challenges the traditional notion of isolating genes to understand their effects.

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