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 syphilis, What is syphilis? Syphilis, also known as lues, is a ...

What is syphilis? Syphilis, also known as lues, is a disease caused by the bacteria Treponema pallidum. Before the discovery of penicillin, syphilis was a fatal disease. Today

Concentration of mental effort, Q. Concentration of mental effort? Atte...

Q. Concentration of mental effort? Attention can be defined as "the concentration of mental effort on sensory or mental events. There are three types of attention selective

Contraceptive mechanism of the iud, Q. What is the contraceptive mechanism ...

Q. What is the contraceptive mechanism of the IUD? The IUD (intrauterine device) is a piece of plastic coated with copper that is put-in within the uterus by a doctor. Coppe

Cells, Cell theory exception

Cell theory exception

Bacteria, Bacteria The study of bacteria is called bacteriology. Bacte...

Bacteria The study of bacteria is called bacteriology. Bacteria are unicellular organisms and possess a distinct cell wall. They are included in kingdom Prokaryote. The bacter

Why this stain have an affinity, Giemsa stain is a basic stain, thus the ma...

Giemsa stain is a basic stain, thus the major chromagen is positively charged (cation). Why does this stain have an affinity for the bacteria cell wall, and for certain cellular co

Mcnaughton case and law, MCNAUGHTON'S CASE AND LAW: In 1843, McNaughto...

MCNAUGHTON'S CASE AND LAW: In 1843, McNaughton shot and  killed Sir Robert Peel's secretary Edward -Drymmond.  It was  shown  that McNaughton suffered from a number of  delusi

Transmission electron microscopy, Transmission electron microscopy: Ar...

Transmission electron microscopy: Around 1931-32 two German scientists. Knoll and Ruska. Invented transmission electron microscopy, and built the first transmission electron m

Explain the pipettes - food microbiology, Explain the Pipettes - Food Micro...

Explain the Pipettes - Food Microbiology? Sterile glass pipettes or disposable pipettes can be used for transferring the known volume of liquid or culture aseptically. Steriliz

Provide a brief overview/sketch of the biological pa, Long ago, there lived...

Long ago, there lived an Australopithecus girl by the name of Lucy. She died 3.2 million years ago. There are a few molecules of Lucy’s carbon in YOU! Starting from the gaseous C

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