spring time
Grapes grow in clusters of 6 to 300, and can be crimson, black, dark blue, yellow, green and pink. "White" grapes are actually green in color, and are evolutionarily derived from the red grape. Mutations in two regulatory genes of white grapes turn off production of anthocyanins which are responsible for the color of red grapes.[1] Anthocyanins and other pigment chemicals of the larger family of polyphenols in red grapes are responsible for the varying shades of purple in red wines
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