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ERRORS IN FERTILIZATION -
1. Polyspermy - When more than one sperms are fused in an ovum, this condition is called polyspermy.
2. Polygynae - During oogenesis after the meiosis polar body I and II are not seperate, in this condition one male pronuclei fused to two female pronuclei. This condition is called polygynae.
3. Polyandry - When two male pronuclei fused with the one female pronuclei is called as polyandry, in this condition embryo is dead.
4. Gynogenesis - When sperm contact to the ova than ova is activated but pronuclei of sperm not fused to female pronuclei.
5. Partial fertilization - In this type of fertilization pronuclei of sperm fertilized to a blastomere.
6. Androgenesis - During fertilization process, pronuclei of ova if inactivated, during development process pronuclei of sperm participate.
A pure phospholipid bilayer with its hydrophobic interior, is permeable to water and gases such as O2, CO2, N2 and small uncharged polar molecules such as urea, ethanol, bu
Bacteriophage is a virus which infects a bacterium and which is many times used in molecular genetics experiments as the vector, or cloning vehicle. Recombinant phages can be made
taxonomy of phylum echinodermata
Define Assessment of Chromium Status? No specific tests are currently available, which could help us to determine chromium status. Another reason being the chromium content of
What is the excretion for agamalizard
The fishes belong to class Pisces under vertebrates. 2. In fishes, the respiratory system consists of mouth, pharynx, internal branchial apertures, branchial pouches and external b
Empiric Initial Therapy Until susceptibility results are available, empiric initial treatment consists of a 4-drug regimen of isoniazid, rifampin, pyrazinamide and ethambutol.
Technique: Careful re-opening of sternum and release of steinum from the underlying adhesion is done. Femoral artery and vein are exposed for going on femoro fenioral bypass
PHARYN X - Commom system between digestive system and respiratory system. In it gullet and glottis present.Gullet leads to oesophagus. Glottis lead to trachea. Wall of p
Q. Briefly explain about semantides? The information carrying molecules in plants are called semantides, and they have been recognised to be 3 kinds; deoxyribonucleic acid or D
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