In flowering plants,a mature 'male gametophyt | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The development of the male gametophyte in angiosperms begins with the 'pollen mother cell' $(PMC)$,which is diploid $(2n)$.$1$. First,the $PMC$ u

Vedclass · Accepted Answer

One meiotic and two mitotic divisions

Vedclass · Answer

(B) The development of the male gametophyte in angiosperms begins with the 'pollen mother cell' $(PMC)$,which is diploid $(2n)$.$1$. First,the $PMC$ undergoes one meiotic division (meiosis) to produce four haploid $(n)$ microspores,which form a pollen tetrad.$2$. Each microspore then undergoes two successive mitotic divisions to develop into a mature male gametophyte.$3$. The first mitotic division produces a large vegetative cell and a small generative cell.$4$. The second mitotic division occurs in the generative cell to produce two male gametes.Thus,the mature male gametophyte is $3$-celled (one vegetative cell and two male gametes) and is formed by one meiotic and two mitotic divisions.

In flowering plants,a mature 'male gametophyte' is derived from a 'pollen mother cell' by

Similar Questions

...... possess dense cytoplasm and generally have more than one nucleus.

The wall of a microsporangium is generally composed of how many layers?

$A$ microspore mother cell forms

Which plant part is most suitable for the study of meiosis?

The pollen tube develops from the ..........

Vedclass Test Series

Exam Paper Generator

Online Exam Module