Cleavage, Biology

Assignment Help:

CLEAVAGE -

Holoblastic & unequal. First plane is meridional. 2 blastomeres are formed. 1 megamere & another micromere.

2nd plane is also meridional but at 90° to first one.

It takes first in larger blastomere, so for short time 3 celled stage is formed followed by 4 celled stage of embryo.


Related Discussions:- Cleavage

Phylum annelida, PHYLUM ANNELIDA Definition  and Introduction Bila...

PHYLUM ANNELIDA Definition  and Introduction Bilateral and  protosomial  eucoelomate  eumetazoans  whose  long   narrow and  wormlike body  is division  into  ring like  t

Define sample collection and estimation of blood glucose, Define Sample col...

Define Sample collection and estimation of blood glucose? The aim of blood glucose estimation is to diagnose or to exclude or to monitor the anti-diabetic therapy. For blood gl

Define casein - tests for presence of exoenzymatic activity, Define Casein ...

Define Casein - Tests for Presence of Exoenzymatic Activity? Casein is a major milk protein composed of various amino acids linked through peptide bonds. Extra-cellular enzyme

Explain spray-drying method, Spray-drying method Spray-drying is the co...

Spray-drying method Spray-drying is the common drying method in the production of ISP. The primary physical form of ISP in commerce, is that of fine powders. Structured form

Influence of associated ions, Influence of Associated Ions The second i...

Influence of Associated Ions The second important factor influencing the plant uptake of a given cation is the effects of the ions held in association with it. For instance, as

Explain directive and non-directive counseling, Directive and Non-directive...

Directive and Non-directive Counseling Directive Counseling  tends  to  be appropriate when  the  counselor  is  aware  of  the problem  and/or  is concerned about  the behavio

Paediatric nursing, PAEDIATRIC NURSING   Parent education, family healt...

PAEDIATRIC NURSING   Parent education, family health promotion and health maintenance have been the concern of yesterday's and today's nurses. Florence Nightingale over a hu

Types of heart failure, The various types and their description of Heart fa...

The various types and their description of Heart failure are as follows:  Left Sided Versus Right Sided Heart Failure   Predominantly left sided failure is seen in left ventr

Adverse effect to intestinal mucosa, Q. Adverse effect to intestinal mucosa...

Q. Adverse effect to intestinal mucosa? Alcohol: Alcohol is known to cause damage to intestinal mucosa independent of gastric acid content. Thus high amounts are not advised.

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