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

Implication of five kingdom classification, Normal 0 false fa...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Epidemiology, 9. A simple and inexpensive screening method has been develop...

9. A simple and inexpensive screening method has been developed to identify individuals with HIV infection at routine medical check-ups. To study the sensitivity and specificity, t

Cuticle, what does cuticle mean

what does cuticle mean

Explain astrand cycle test, Explain Astrand Cycle Test? This is a sub m...

Explain Astrand Cycle Test? This is a sub maximal test done on cycle ergo meter. In this test, comparatively lower wattages are set. For example, for males less than 35 years o

What is pressure support ventilation, What is Pressure Support Ventilation ...

What is Pressure Support Ventilation (PSV)? In a spontaneously breathing patient, each breath may be augmented with a preset level of pressure. The extent of support depends o

Determine the three types of joints, Determine the three types of joints ...

Determine the three types of joints There are three types of joints : Fixed or immovable or fibrous : There is no space between the bones. The attached bones are very ti

Respiration, difference between anaerobic respiration and fermentation

difference between anaerobic respiration and fermentation

Explain adverse effects of famciclovir, Adverse Effects of Famciclovir ...

Adverse Effects of Famciclovir Famciclovir has been generally well tolerated. Headache, nausea and diarrhea have been reported. Like acyclovir, famciclovir has been associated

explain alternative processing, Alternative polyadenylation sites Exa...

Alternative polyadenylation sites Exact pre-mRNAs hold more than single group of signal sequences for 3' end polyadenylation and cleavage.   In  some  cases,  the  area  of  t

Onchology, Onchology : This is the study of cancer. Oncology word meaning i...

Onchology : This is the study of cancer. Oncology word meaning is mass, bulk & tumor. This is a branch of medicine which deals with tumors (cancer). The one who practices oncology

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