The first cell of female gametophytic generation in angiosperm is megaspore. It undergoes three successive mitotic division to form 8-nucleated and 7-celled embryo sac.
Liverwort – In liverworts, the main plant-body is haploid (gametophytic). It bears the male and female sex organs which produce gametes. These gametes fuse to form a zygote. The zygote...
A flower can be defined as the reproductive unit of any flowering plant (angiosperms). Flowers carry out sexual reproduction in angiosperms. A typical flower is a modified stem with a...
The male gametophyte or the pollen grain develops inside the pollen chamber of the anther, whereas the female gametophyte (also known as the embryo sac) develops inside the nucellus of...
(a) Each piece regenerates into a new Planaria.
(b) Its filaments break into smaller pieces or fragments and each fragment gives rise to a new filament.
(c) It releases spores which germinate into...
(a) Eight nuclei in mature Embryo sac
- Three cell form an egg apparatus , consisting of one egg cell and two synergids
- Three cells at chalazal end called antipodals
- A...
