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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.
State the term - rCBF In rCBF, the participant inhales a small amount of a radioactive gas such as xenon, which is absorbed into the bloodstream and thus transported around the
Debate over ethics of using gene therapy for treating human beings started since the discovery of recombinant DNA technology. The mere fact that it involves the alteration of DNA w
Define Amylopectin - carbohydrates? Amylopectin differs from amylose in being highly branched. Short side chains of about 30 glucose units are attached with α (1-6) linkages ap
How does chemical adsorption of a gas on a solid vary with temperature? a) Mention the main reason for the anomalous behaviour of lithium in Group of the periodic table.
Q. What do you mean by Current Impediments? Given the impressive list of past achievements, we expect that quantitative process to biological problems will continue to repay us
Chemical Stress - Mineral composition The living systems make use of several mineral ions that they might have encountered at the very origin or during evolution, particularly
Salinity - Marine Ecosystems Physico-chemical factors - Salinity The sea is salty and its salinity is fairly constant, averaging about 3.5 per cent usually written as
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#question.sir please explain amoeba as in example of protozoa
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