Cleavage, Biology

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.

Posted Date: 10/3/2012 6:10:48 AM | Location : United States







Related Discussions:- Cleavage, Assignment Help, Ask Question on Cleavage, Get Answer, Expert's Help, Cleavage Discussions

Write discussion on Cleavage
Your posts are moderated
Related Questions
characterstics ..

Describe about the Argyll Robertson Pupil (ARP) Argyll Robertson Pupil (ARP) occurs in patients who have tertiary syphilis. There is a "light-near dissociation" because pupils

L A W S OF CLEAVAGE - 1. Sac's Law - According this law, during cleavage each blastomere to form similar blastomere. New cleavae always take place at the right angle of th

Define the term - microfilaments and microtubules The cytoskeleton is, in fact, termed as the "bone and muscle" of the eukaryotic cell, and is composed of a network, consisting

If given this in this sequence to find surface area, 1 cm x 2 cm x 2 cm block, am I to assume it is written in LxWxH format? I actually think the length is 2 though and the width i

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

URINARY BLADDER - Pear shaped sac like. Situated in pelvic region of abdominal cavity. Ventrally placed. Lined by transitional epithelum. Detrusor muscle i.e. to expell out

Explain the OBJECTIVES of history of mart disease? After reading this unit, you should be able to: 1. Understand the importance of Cardio-vascular diseases as the leading cause

Define Reagents Required and Methodology for Mucic Acid Test? -   Sugar solution -   Conc. Nitric acid Methodology Take about 50 mg of sugar in a test tube. Add 1 ml

Q. List disbeliefs which patients have about insulin? a) Insulin is not effective. Some patients believe that insulin is not effective for treating diabetes. b) Insulin c