Gene duplication generates extra gene copies in which mutations can accumulate without risking the function of pre-existing genes. Such mutations modify duplicates and contribute to evolutionary novelties. However. the vast majority of duplicates appear to be short-lived and experience duplicate silencing within a few million years. https://www.roneverhart.com/Craggy-Range-Sauvignon-Blanc-Te-Muna-Road-Vineyard-Martinborough-2022/