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

Most important allosteric effector of glycolysis in liver, Name the most im...

Name the most important allosteric effector of glycolysis in the liver. Fructose-2,6-bisphosphate  is the most important allosteric effector of glycolysis  in the liver

Inrinsic conduction system of the heart, The cardiovascular system controls...

The cardiovascular system controls the movement of blood through thousands of miles of capillaries so that every tissue  in every part of the body is perfused. Essential nutrients

What is diarrhoea, What is diarrhoea? Diarrhoea is characterized by th...

What is diarrhoea? Diarrhoea is characterized by the frequent evacuation of liquid stools, usually exceeding 300 ml, accompanied by an excessive loss of fluids and electrolyte

Stepped steel, The stepped steel shaft illustrated in Figure is subjected t...

The stepped steel shaft illustrated in Figure is subjected to a torque (T) at the free end and a torque (2T) in the opposite direction at the junction of the two sizes.

Bovine ephemeral fever, Bovine ephemeral fever Ephemeral fever is commonly...

Bovine ephemeral fever Ephemeral fever is commonly known as 'three-day sickness'. It affects mainly cattle and occasionally sheep in India. Causative agent is a mosquito-borne vir

What is the phenomenon of the apical dominance in plants, What is the pheno...

What is the phenomenon of the apical dominance in plants? How it can be artificially eliminated? The Apical dominance is the phenomenon by which high (over the positive range l

How yersinia enterolytica infection occurs, Normal 0 false fa...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 How Yersinia enterol

Define the nutritional assessment tools, Define the Nutritional Assessment ...

Define the Nutritional Assessment Tools? Malnutrition/protein energy malnutrition amongst elderly persons has been observed in various studies -be it hospitalized patients, nur

Explain the term - seashore rhythm test, Explain the term - Seashore Rhythm...

Explain the term - Seashore Rhythm Test This test consists of 30 pairs of rhythmic patterns. The task is to judge whether the two members of each pair are the same or different

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