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Suppose that a plant ordinarily is very effective at blocking herbivores due to

ID: 209002 • Letter: S

Question

Suppose that a plant ordinarily is very effective at blocking herbivores due to production of a compound called defensin. Researchers use gene silencing to narrow down the gene that produces the compound from a list of candidates. The graph below shows the amount of herbivore damage resulting from the silencing of four different genes (A, B, C, and D), as well as the amount in the control. Based on these graphs, which gene is most likely responsible for producing defensin?

A. Gene A
B. Gene B
C. Gene C
D. Gene D
E. None of the above

12 10 2 Control Gene A Gene B Gene C Gene D * Indicates a result significantly different from the control.

Explanation / Answer

Answer B- Gene B.

We are silencing of four different genes A, B, C, and D. In that A, C and D genes responsible for different protein other than Defensin so the herbivores not destroyed the leaves. But in Gene B due to silencing of Defensin herbivores destroyed the more leaves compare to the control

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