How eye loss occurs in blind cavefish

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Loss of eye tissue in blind cavefish (Astyanax mexicanus), which occurs within a few days of their development, happens through epigenetic silencing of eye-related genes, according to a new study. Epigenetic regulation is a process where genes are turned off or on, typically in a reversible or temporary manner. This mechanism differs from genetic mutations, which are permanent changes in the DNA code.
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How eye loss occurs in blind cavefish was originally posted by Health Nutrition And Fitness News