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

Describe the common operations performed in pcs, Describe the common operat...

Describe the common operations performed in paediatric cardiac surgery 1) Closed Heart Surgery: Surgery on Heart or Great Vessels done without using the Heart-Lung machine.

How to investigate aortic stenosis by cardiaccatheterization, Q. How to inv...

Q. How to investigate aortic stenosis by Cardiac Catheterization? The indications are to confirm hemodynamics when the non-invasive tests are not conclusive or there is a disc

The statement is true or false, True or false, adaptations are the result o...

True or false, adaptations are the result of finding the best or only solution to a given problem a species faces.

#titleclasses of fish.., what are the two main classes into which fish are ...

what are the two main classes into which fish are divided

Calculate the level of magnesium in urine, Calculate the Level of Magnesium...

Calculate the Level of Magnesium in urine? Urinary Mg excretion decreases with Mg deficiency. Therefore, Mg excretion before and after administration of an intravenous Mg load

Why are trees green, Why are trees green? It is because leaves have chl...

Why are trees green? It is because leaves have chloroplasts, which have a green pigment, which also have chlorophyll in them. They are used for conducting photosynthesis, which

Explain clinical manifestations of cardiomyopathy, Q. Explain Clinical Mani...

Q. Explain Clinical Manifestations of cardiomyopathy? 1) Asymptomatic, when the diagnosis is made by 2D Echocardiography. 2) Enlargement of LV. Apex is shifted down and out.

Which is better-scrubbing the instruments or ultrasonic bath, Q. Which is b...

Q. Which is better-scrubbing the instruments or ultrasonic bath to clean the instruments? Ultrasonic bath to clean the instruments is better than hand scrubbing the instruments

Assessment of tubercular meningitis, Assessment   For assessment of cli...

Assessment   For assessment of clinical manifestation of the disease you need to understand three stages of clinical course of the disease which are as follows:  Prodromal

What the henderson-hasselbalch equation expresses, The Henderson-Hasselbalc...

The Henderson-Hasselbalch equation expresses the pH of a solution as: Select one: a. The equilibrium constant of the acid and the dissociated form of the weak acid. b. The

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