An <i>Antirrhinum</i> Line Exhibiting Different Petal Colors (IMAGE)

Hokkaido University

An <i>Antirrhinum</i> Line Exhibiting Different Petal Colors

Caption

An Antirrhinum line has Tam3 adjacent to pal, a gene required for pigment synthesis. At 25C, Tam 3 is immobile and suppresses pal expression resulting in an ivory petal color (left). At 15C, Tam3 becomes mobile and translocate in the genome allowing pal gene expression and therefore resulting in a red petal color (right).

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Hokkaido University

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