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

What is the function of keratin in the epidermis, What is the function of k...

What is the function of keratin in the epidermis? The epidermis is the outer layer of the skin made of epithelial tissue. In the epidermis there are keratin-secreting cells (ke

Explain about the radiation therapy, Explain about the Radiation Therapy? ...

Explain about the Radiation Therapy? Radiation therapy is one of the options for the treatment of various tumors. During the administration of radiation patients experience acu

Explain the spring clip model, Q. Explain the Spring clip model? The sp...

Q. Explain the Spring clip model? The spring clip model differs from the spring model in a way that the force applied is comparatively slower. This also depicts elasticity or p

Microfilaments - cytoskeletal structures, MICROFILAMENTS Discovered ...

MICROFILAMENTS Discovered by Pelvitz. These are smallest cell structure. These are non-living structures. These are solid structures, consists of actin protein (c

Describe the initiation of visual impulse, Describe the Initiation of Visua...

Describe the Initiation of Visual Impulse When light falls on the retina it is absorbed by the photosensitive pigments of rods (rhodopsin) and cones (photopsin). It initiates

Discuss the biological concepts of the migration, The bar-tailed godwit, Li...

The bar-tailed godwit, Limosa lapponica baueri, or kuaka, is a wading shorebird seen on marshy estuaries and wetlands during the New Zealand summer. Populations of this species emb

Puberty, how does the hypothalamus begin puberty

how does the hypothalamus begin puberty

Cellular Respiration, what two gases are released by animals during the pro...

what two gases are released by animals during the process of cellular respiration

What is the structural depiction of a carboxyl group, Q. What is the struct...

Q. What is the structural depiction of a carboxyl group? Carboxyl groups have a carbon attached to one hydroxyl group by a simple bond and one oxygen by a double bond. The othe

Which bone forms the non-moving muscle, Which bone forms the non-moving mus...

Which bone forms the non-moving muscle attachment in (a) the hip joint, (b) the shoulder joint, (c) the ankle joint?    (a) The pelvic girdle gives the non

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