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

Use of genital herpes in pregnancy, Use of genital herpes in pregnancy ...

Use of genital herpes in pregnancy Although acyclovir is not approved for treatment of pregnant women, its use during pregnancy has not been associated with an increased risk

Explain some feeding considerations or nutrition support, Explain some Feed...

Explain some Feeding Considerations or Nutrition Support? The preferred route for feeding the patient should be oral intake1 via the utilization of gastrointestinal tract. If o

Illustrate numerical taxonomy, Q. Illustrate Numerical Taxonomy? Taxono...

Q. Illustrate Numerical Taxonomy? Taxonomy today is, in many dctails, different from what it was a generation ago. The use of computers by taxonomists has established an intere

Wild type embryo, In Drosophila, the anterior determinant Bicoid is known t...

In Drosophila, the anterior determinant Bicoid is known to activate expression of the gene hunchback in the anterior half of the embryo.  (Bicoid is a transcription factor, which b

Illustrate about the principle of context, Illustrate about the Principle o...

Illustrate about the Principle of Context A third principle guiding the neuropsychological assessment of children is that environment contexts help to constraint and determine

Lipids, How are lipids classified?

How are lipids classified?

Difference between ectoparasite and endoparasite, What is the difference be...

What is the difference between ectoparasite and endoparasite? Ectoparasites are parasites that explore the external surface of the host (as, for example, mites that parasite th

How can neuroscience help to find neurological disorders, How can "basic" ...

How can "basic" neuroscience research help to find cures for neurological disorders? A better understanding of the brain at each level - molecules, cells and neural systems -is

.photosynthesis, what additional substance does a plant need to male amino ...

what additional substance does a plant need to male amino acids and proteins from glucose

Neurites, NEURITE S - The processes of neurons are called neurites. Th...

NEURITE S - The processes of neurons are called neurites. These are of two types: dendrites or dendrons and an axon or axis cylinder or neuraxon. (a)      Dendrites (Den

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