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

Newton, meaning of the law of inertia

meaning of the law of inertia

Nitrogen fixation, Nitrogen Fixation As we have said before, atmospher...

Nitrogen Fixation As we have said before, atmospheric nitrogen cannot be used by plants or animals. It has to be first fixed. The term nitrogen fixation refers to the oxidatio

Explain diet from lifestyle risk factors, Explain diet from Lifestyle Risk ...

Explain diet from Lifestyle Risk Factors ? The lifestyle factors are the way of living of an individual and comprise of the diet, smoking, alcohol, physical activity and stress

Measuring biodiversity, Diversity is defined as the no of species present i...

Diversity is defined as the no of species present in a community termed as "species richness". We can represent species biodiversity at different geographical scales as alpha, beta

Define the lens transparency in metabolism of lens, Define the lens transpa...

Define the lens transparency in metabolism of lens. Lens Transparency: a. Transparency depends on avoidance of large transitions of refractory index. This is in other wor

Explain in detail about the term behavioural neuropsychology, Explain in de...

Explain in detail about the term behavioural neuropsychology Behavioural neuropsychology has been explained as 'the application of behaviour therapy techniques to problems of o

Genetics, what about cytoplasmic sex determination

what about cytoplasmic sex determination

Autoregulation of coronary blood flow, The ability to maintain myocardial p...

The ability to maintain myocardial perfusion at constant levels in the face of changing driving presence is termed autoregulation. In normal cases, autoregulation is maintained at

Define energy and protein requirement in geriatric nutrition, Define Energy...

Define Energy and Protein requirements in geriatric nutrition? Decreased physical activity and changes in body composition and decreased basal metabolic rate affects the ma

Describe the basic mechanisms in plaque formation, Q. Describe the Basic Me...

Q. Describe the Basic Mechanisms in Plaque Formation? In experimental models and human disease, the first morphologic phenomenon observed in plaque formation is adhesion of mon

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