Vascular differentiation in plants
Answers
Vascular difference in plants
Vascular tissues are differentiated from meristematic cells
- procambial cells during primary growth and vascular cambium cells during secondary growth.
- Procambial cells in roots and stems are derived from apical meristems.
- Procambial cells in leaves are formed during very early stages of leaf development.
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Answer:
Vascular differentiation in plants:-
Explanation:
Vascular tissues, xylem and phloem, are differentiated from meristematic cells, procambium, and vascular cambium. Auxin and cytokinin have been considered essential for vascular tissue differentiation; this is supported by recent molecular and genetic analyses. Xylogenesis has long been used as a model for study of cell differentiation, and many genes involved in late stages of tracheary element formation have been characterized. A number of mutants affecting vascular differentiation and pattern formation have been isolated in Arabidopsis. Studies of some of these mutants have suggested that vascular tissue organization within the bundles and vascular pattern formation at the organ level are regulated by positional information.
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