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Oogenesis
Oogenesis is the formation of ovum from oogonial cells that are formed in the ovary from primordial germ cells. And as in spermatogenesis it involves meiosis to produce haploid ovum. You have learnt in the section on spermatogenesis that the differentiation of sperm occurs after the meiotic events. In oogenesis the process of first meiotic division is very prolonged; and it is during this process that growth and differentiation of oocyte take place. In many animals most events related to oocyte differentiation occur during prophase I of first meiotic division. In animals which produce yolk-laden eggs, this phase is divided into
Two chromosomes in a cell have identical length and centromere position yet are not homologous, what is different about them.
Q. List the parameters used to differentiate between osseointegration and fibro osseointegration. The parameters used are: a) Pain b) Rigid fixation - mobility scale, pe
what is the xternal & internal respiration in frog
give data
Define Observation or Inference for Mucic Acid Test? 1. White crystals of mucic acid will be seen. 2. The sugar solution contains galactose. 3. Lactose gives this test, s
Explain Antiarrhythmic Drugs? Amiodarone may be considered in VT/VF that is refractory to shock. It might be given if the third shock is not successful. The dose is 300 mg IV i
What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution? Mercury is a metal that when present in the water of lakes, river
Phylum Sarcomastigophora Locomotory organelles - flagella, pseudopodia or both types, usually with one type of nucleus; typically no spore formation, sexual reproduction thro
Jackson Coleman and Fischer Theory Jackson Coleman Theory: During accommodation the ciliary muscle contraction causes an anterior thrust of the vitreous. This vitreous thrust p
As redox conditions change, there will be some resistance to change in a food's redox potential. This is known as poising capacity of food. This capacity is dependent on the concen
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