In which order does the development of xylem | vedclass

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(D) The development of xylem occurs in two main patterns based on the position of protoxylem and metaxylem:$1$. Centripetal: In this type,the protoxyl

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Both $(A)$ and $(B)$

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(D) The development of xylem occurs in two main patterns based on the position of protoxylem and metaxylem:$1$. Centripetal: In this type,the protoxylem is located towards the periphery and the metaxylem towards the center. This is characteristic of roots (exarch condition).$2$. Centrifugal: In this type,the protoxylem is located towards the center and the metaxylem towards the periphery. This is characteristic of stems (endarch condition).Therefore,the development of xylem can occur in both these orders.

In which order does the development of xylem occur?

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