Question

male gametophyte of Gnetum​

Answer 1

Answer:

Male Gametophyte:

They are uninucleate and remain surrounded by a thick and spiny exine and thin intine. Mature pollen grains are shed at three-nucleate stage. These include prothallial nucleus, tube nucleus and generative nucleus (Fig. 13.20, Upper) in Gnetum Africanism and G.

Answer 2

Explanation:

This is the answer of this question