First slide

Pre-fertilisation : Structures and Events

Question

Which is the most common type of embryo sac in angiosperms?

Easy

A

Tetrasporic with one mitotic stage of divisions
B

Monosporic with three sequential mitotic divisions
C

Monosporic with two sequential mitotic divisions
D

Bisporic with two sequential mitotic divisions

Solution

The most common type of female gametophyte (embryo sac) in angiosperms is the monosporic embryo sac in which the embryo sac develops from a single functional megaspore (n), while the other three megaspores degenerate. The functional megaspore undergoes three sequential mitotic divisions and gives rise to the 8-nucleate and 7-celled mature embryo sac.

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App