It's A. Volcanic Island Arcs
If you're asking what 'controls' the cell, then that would be the nucleus. The king of the cell.
Answer:
Development of early maturing crop.
Development of high yielding crop.
Makes the plant to assume the desired shape and size.
Can obtain two or more orange varieties on the same root stock.
Ensures uniformity of genetic/clonal characteristics.
Development of drought resistant crop
Explanation:
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~Zero~