A mutant plant lacking pif activity in seeds

Reference no: EM133663275

Question: Assume that the NGM gene is regulated by phytochrome and that a PIF protein binds to the promoter of the NGM gene in the dark. Also assume that seeds with recessive, loss-of- function mutations in the NGM gene do not germinate in the light or dark. Predict how the NGM gene would be expressed in imbibed seeds grown in the light and in the dark in the following mutant seeds and if the seeds will germinate, and briefly explain your answer. (i) A mutant plant lacking PIF activity in seeds (ii) A mutant plant in which phytochrome is locked in the Pfr form (iii) A plant treated with a drug that inhibits phosphorylation of PIF

Reference no: EM133663275

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