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 the ovule from the functional megaspore.
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 female gametophyte or the embryo sac develops from a single functional megaspore. This is known as monosporic development of the female gametophyte. In most flowering plants, a single megaspore...
On crossing red and white flower only red colour flower appeared in the F1 generation. But the white colour flower again appear in the F2 generation which is raised out...
(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) Testes produce sperms and secrete a hormone called testosterone.
The function of testosterone is to control the development of male sex organs and secondary sexual features.
(b) (i) Oviduct or fallopian tubes (ii) Uterus Alter implantation,...
(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...