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Ploidy of embryonal axis?
2n
Diploid plants in anther culture arise from
Anther wall cell (2n)
2-celled male gametophyte contains
Vegetative+ generative cells
3-celled male gametophyte contains
Vegetative cell + 2 male gamete
1 MMC produces how many pollen grains
4
1MMC produces how many male gametes?
8
1 MMC produce how many microspore tetrad
1
In MMC calculation what should be check first
Whether MMC are given per microsporangium or per anther
25 MMC in each sporangium total MMC in one anther .
100(25×4)
What is the first event after pollination
Pollen grain germination
When are the two male gametes formed?
By mitosis of the generative cell during pollen tube growth.
Pollen tube enters the ovule through?
Micropyle
Water Hyacinth pollinated by
Insects
Maize and sugarcane are pollinated by
Wind