Apomixis, Biology

Assignment Help:

Apomixis

The formation of sporophyte from the gametophyte without sexual process signifies apomixis. It relates to the replacement of alternation of a reduced gametophyte and an unreduced sporophyte by an unreduced gametophyte and sporophyte. It occurs in relatively in about 35 families. The most common being Asteraceae and Poaceae. Apomixis can be classified into two types, recurrent (in non- reduced embryo sacs) and non-recurrent (in reduced embryo sacs). The later relates to development of haploid embryos without the actual fusion of gametes.

275_Apomixis.png

Figure: Diagrammatic representation of Apomixis types


Related Discussions:- Apomixis

What are the in-vivo imaging techniques, What are the in-vivo imaging techn...

What are the in-vivo imaging techniques The first of the in-vivo imaging techniques, computer tomography (CT) scanning, came on stream in the early 1970s. As technologies devel

Characterstics of cleavage, CHARACTERSTICS OF CLEAVAGE - In cleavage...

CHARACTERSTICS OF CLEAVAGE - In cleavage involve the series of mitotic division, so daughter cells are genetically similar to the parental cell. The resulting cells are c

What is bathing in cerebro-spinal fluid, Q. What is bathing in Cerebro-Spin...

Q. What is bathing in Cerebro-Spinal Fluid? The CNS is bathing in Cerebro-Spinal Fluid (or CSF):  similar to plasma, less protein, rich in ascorbic acid, different in ions Na+

What are the near point and the far point of the vision, What are the near ...

What are the near point and the far point of the vision? The near point is the closest distance among an object and the eye that makes possible the formed image to be focused,

Gonads, GONADS - They develop from the mesoderm of the embryo. The g...

GONADS - They develop from the mesoderm of the embryo. The gonads are the sex glands; the ovaries and the testes. They produce ova and sperms respectively i.e. cytogenic in

How emulsion are formed, How emulsion are formed The most common method...

How emulsion are formed The most common method of preparing an emulsion is by mechanically dispersing one liquid phase in another by formation of small droplets. This takes pla

Which keel is characteristic of the flowers, Keel is characteristic of the...

Keel is characteristic of the flowers of : 1. Gulmohur 2. Cassia 3. Calotropis 4.  Bean Bean

What are the common exercises which diabetics patient can do, Common Exerci...

Common Exercises You should know some of the common exercises which patient can do without help of a professional or going to a fitness club. Advise the patient to go for regul

How to devise a series of dilutions, A solution was prepared by dissolving ...

A solution was prepared by dissolving 25g NaOH powder in 100 ml water. Using not more than 15 ml water, devise a series of dilutions that will give a concentration of 5mg/ml NaOH.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd