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

Structural function of organic molecules, Q. What are the few examples of t...

Q. What are the few examples of the structural function of organic molecules? Ans. Organic molecules have a structural function as they are part of cell membranes, organ w

In which layer of skin are follicles usually found, 1. In which layer of sk...

1. In which layer of skin are follicles usually found? 2. How are sebaceous glands associated with hair follicles? 3. In which layer of skin are sweat glands usually located?

State the process of rna editing, Which of the following is a true statemen...

Which of the following is a true statement regarding the process of RNA editing? A. RNA editing changes the sequence of the mRNA message thereby permitting for enhance in prote

Risk factors for gdm, Q. Risk Factors for GDM? If any of the following ...

Q. Risk Factors for GDM? If any of the following risk factors are present in a woman, she may develop GDM: 1) Presence of obesity. 2) If any family members (parents, brot

What are the grasslands of north america, What are the grasslands of North ...

What are the grasslands of North America and of South America respectively called? The steppe grasslands of North America are known as prairies. The grasslands of South America

Define the post-herbal period, Define the Post-Herbal Period? It is di...

Define the Post-Herbal Period? It is difficult to draw a sharp line of demarcation between the transition period, marked by various attempts of classification, all of which we

How to use atp to make reactions go, What do enzymes do, and how? How is en...

What do enzymes do, and how? How is enzyme activity regulated in cells? How do ATPases u se ATP to make reactions go?

What is cytokinesis in cell reproduction, what is Cytokinesis in cell repro...

what is Cytokinesis in cell reproduction? Cytokinesis: Mitosis is usually followed by cytokinesis, the division of the cytoplasm and cell membrane. Cellular organelles are no

Kingdom protista, what is the taxonomy of phylum sporoza?

what is the taxonomy of phylum sporoza?

Soil temperature, Soil Temperature Soil temperature is known to influe...

Soil Temperature Soil temperature is known to influence water absorption and ultimately transpiration to a considerable extent. In many plants water absorption is reduced shar

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