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

Phylum colentrata, In phylum colenterata if tissues are present in the body...

In phylum colenterata if tissues are present in the body of an organism then why organs are not present as group of tissues makes an organuestion..

Genotype for each individual, The allele that causes albinism (p) is recess...

The allele that causes albinism (p) is recessive to the allele for normal pigmentation (P). A normal woman whose father is an albino marries an albino man whose parents are both no

DIVERSITY OF AMPHIBIANS, DIVERSITY OF AMPHIBIANS ASSIGNMET IN BIOLOGY PLWAS...

DIVERSITY OF AMPHIBIANS ASSIGNMET IN BIOLOGY PLWASE HELP ME TO DO THIS ASSIGNMENT AND I CAN GET GOOD MARKS IN THIS ASSIGNMENT SO GIVE ME TNE ASSIFNMENT OF THIS TOPIC DIVERSITY OF A

How does temperature affect the action of enzymes, How does temperature aff...

How does temperature affect the action of enzymes upon their substrates? There are explained temperature ranges under which enzymes operate and there is a specific temperature

What is an example of a parasite relationship, What is an example of a para...

What is an example of a parasite relationship? An example would be a flea and a dog. The flea drinks the dog's blood, but does nothing helpful for the dog.

Membrane oxygenators-type of oxygenators , Membrane Oxygenators: They are...

Membrane Oxygenators: They are more physiological and are similar to natural lungs. There is separation of blood and gas by membrane across which gas exchange takes place. There

Zoology, two larva forms of sponge

two larva forms of sponge

Cell:the unit of life, cell wall of prokaryotic cell consist of what???

cell wall of prokaryotic cell consist of what???

Types of somatoform disorders, Types of Somatoform Disorders: Somatofo...

Types of Somatoform Disorders: Somatoform disorders are sub classified into the following categories. These include somatization disorder,  conversibtl  disorder, hypochondria

Explain the canal obstruction - endodontic retreatment, Explain the Canal O...

Explain the Canal Obstruction File work shorter than the normal apical and feel a great resistance to reach true length. a. A retained instrument o Canal calcification b.

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