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 is ascaris and which disease caused by this worm, Q. What is ascaris? ...

Q. What is ascaris? What is the disease caused by this worm? Ascaris lumbricoides or Ascaris is an animal of the nematode phylum that is a roundworm. Ascaris causes ascariasis,

What is h shaped incision and what is its purpose, Q. What is H shaped inci...

Q. What is H shaped incision and what is it's purpose? This type of incision is especially useful for: The anterior maxilla or mandible. Accurately identified implant

What is the crystallization of a virus, Q. What is the crystallization of a...

Q. What is the crystallization of a virus? What is the significance of this process? Crystallization is the procedure of transformation of viral components into organized solid

What are the main purpose of changes in life style, What are The main purp...

What are The main purpose  of changes in life style The main purpose  of changes in life style are to: - control blood sugar. - maintain the body weight of the patients.

Bovine spongiform encephalopathy, Bovine spongiform encephalopathy The ...

Bovine spongiform encephalopathy The bovine transmissible spongiform encephalopathy (BSE), known as 'mad cow disease'-first noticed in Great Britain in 1986, is similar to scra

Describes the role that restriction enzymes play in bacteria, Which of the ...

Which of the following best describes the role that restriction enzymes play in bacteria? A. Restriction enzymes recognize and digest bacteriophage genomes after an initial inf

Oral route - administration of drugs, Oral Route Paediatric Medication...

Oral Route Paediatric Medications are prepared as Tablets (which can be crushed), powders, granules, mixtures, emulsions, elixirs and syrups. It is easier to persuade olde

Explain about the asepsis - methods of food processing, Explain about the A...

Explain about the Asepsis - Methods of Food Processing? Food is a living system and it has natural protection mechanisms in its raw agricultural state. Just removed once from t

Etiologic factor of congestive cardiac failure, Q. Etiologic factor of Cong...

Q. Etiologic factor of Congestive Cardiac Failure? Congestive heart failure develops over a period of time when the necrotic tissues are not replaced by functional connective c

Why pluto is no longer considered a planet, Describe how the International ...

Describe how the International Astronomical Union defines a planet. Also include why Pluto is no longer considered a planet.

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