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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- CSIR NET
- Life Sciences
Change in leaf morphology is observed during transition from vegetative to reproductive phase in several plants. The following statements are proposed to explain the above observation :
(A) Alteration in the gene content of leaves of reproductive phase from those of vegetative phase.
(B) Differential methylation pattern of genes influencing leaf development and morphology.
(C) Mutation in transcription factor that prevents its association with promoter elements of genes regulating leaf development.
(D) Small RNA mediated inhibition of gene expression of a homeotic gene.
Which one of the following options represents a correct combination of statements that could explain the observed changes ?
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Eduncle Best Answer
Changes in leaf morphology are observed during transition from vegetative to reproductive phase in several plants. Due to the epigenetic modification, differential methylation
pattern of gene influences leaf development and morphology. Also small RNA mediated inhibition of gene expression of a homeotic gene occurs. There is no alteration of gene content during this transition and no mutation in any transcription factor.