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The studies that led to discovery of posttranscriptional gene silencing phenomena were performed on ____________

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The studies that led to discovery of posttranscriptional gene silencing phenomena were performed on ____________

(a) petunia

(b) sunflower

(c) maize

(d) wheat

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This intriguing question originated from Gene Expression topic in division Gene Expression of Cell Biology

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Right choice is (a) petunia

Explanation: The studies began in 1990 using petals of petunia flower plants, that ultimately led to the discovery of posttranscriptional gene silencing (PTGS).

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