Question

what do you mean by precocious development of male gametophyte​

Answer 1

• Development of male gametophyte starts in pollen grains, while still present in the microsporangium or pollen sac (precocious germination). Microspore undergoes only two mitotic divisions. First mitotic division leads to the formation of a vegetative cell and generative cell. ... Vegetative cell is also called tube cell.

Answer 2

Answer:

Development of Male Gametophyte in Pollen Grains of Flowers! Development of male gametophyte starts in pollen grains, while still present in the microsporangium or pollen sac (precocious germination). Microspore undergoes only two mitotic divisions

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