Each microspore develops by mitosis into a pollen grain. So pollen grains are haploid and when cultured it produces a haploid plant. Anther wall has four wall epidermis, endothecium, middle layers and tapetum and all of them are diploid and produce diploid plant when cultured on artificial media.
Is anther diploid or haploid?
(b) Anther- It is the part of the stamen where pollens are produced. It is the male part of the flower and it contains pollen grains. It is diploid in structure (2n).
Which structure is haploid in anther?
The germ cell divides by mitosis to produce two sperm cells. Division of the germ cell can occur before or after pollination. The tetrad of four haploid cells is located inside an anther sac (microsporangium) of Lilium.
Are pollen cells diploid?
A pollen grain is a male gametophyte, and pollen grains are formed in anthers, the male parts of flowers. Meiosis occurs in the anthers. Cells called pollen mother cells undergo meiosis. … Of course, in the case that the plant is tetraploid, then the pollen grains will be diploid.
Are antipodal cells haploid?
antipodal cells The three haploid cells in the mature embryo sac of flowering plants that are situated at the opposite end to the micropyle.
Is Microsporangium and anther same?
angiosperms. …in terminal saclike structures (microsporangia) called anthers. The number of stamens comprised by the androecium is sometimes the same as the number of petals, but often the stamens are more numerous or fewer in number than the petals.
Is anther a Microsporangium?
What is Microsporangium? Male plant gametophytes usually develop and reach maturity in the anther of a plant. The microsporangia are the part of the anther in which the pollen or microspores are produced.
Which structure is the anther?
Anther: The part of the stamen where pollen is produced. Pistil: The ovule producing part of a flower.
Are Synergids haploid?
The synergid cells direct pollen tube growth to the female gametophyte. It makes possible the access of the tube into the embryo sac. Complete answer: … As these 8 nuclei are derived from the mitotic divisions of the haploid megaspore, these are haploid and thus, the synergids are haploid cells.