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

Ilustrate about corvous caurinus, When we watch animals in the wild, most o...

When we watch animals in the wild, most often we see them foraging for food. The foraging behaviour of animals has been a focus of behavioural studies for many decades. Natura

Determine the basic seven food groups - nutritions, Determine the Basic Sev...

Determine the Basic Seven Food Groups - Nutritions? These basic seven food groups are: 1) Cereals and cereal products 2) Pulses (also meat and meat products) 3) Milk and m

Explain increases-decreases or shifts in demand terminology, Explain about ...

Explain about the increases or decreases or shifts in demand terminology. Market into equilibrium P 1 Q 1 , here demand D 1 equals supply S 1 • When price reduce fromP 1

Define classification of lipids, Define Classification of Lipids? Chemi...

Define Classification of Lipids? Chemically, lipids are the organic molecules poor in oxygen content, soluble in organic solvents but insoluble in water. They are classified as

Protozoa, What spices is protozoa

What spices is protozoa

Forebrain - cerebrum, CEREBRU M - Largest part of brain. 2/3 of bra...

CEREBRU M - Largest part of brain. 2/3 of brain. 4/5 of brain's weight. Cerebrum is devided into 2 cerebral hemispheres by longitudinal cerebral fissure. Gyri and sul

How organic farming differ from traditional farming, Recently, the media ha...

Recently, the media have promoted the idea of consuming only locally grown, organic produce. Are there any nutritional values that might be present in locally grown produce that mi

Why is photosynthesis referred to as a biochemical pathway, a) Why is it si...

a) Why is it significant that ions being transported across a cell membrane be shielded from the interior of the lipid bilayer? b) Why is photosynthesis referred to as

Explain about non-nutritive sweeteners, Q. Explain about Non-Nutritive Swee...

Q. Explain about Non-Nutritive Sweeteners? Non-Nutritive Sweeteners: These are characterized by an intense sweet taste. They are needed in small quantities and do not make any

Define dietary factors with antinutritional effects, Define Dietary Factors...

Define Dietary Factors with Antinutritional Effects? In the above sections, we have learnt about a variety of food components having a host of health promotive properties. Let

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