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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
how does cockroach respire
Arrange the following processes sequentially to define the translocation of food through sieve tubes. i. Unloading of sugar in sink cells (or cells of root). ii. Uptak
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A pair of ovaries are the reproductive organs in woman. They are present just below the kidneys in the abdominal cavity. Each ovary has several sac like structures called ova
What are the near point and the far point of the vision? The near point is the closest distance among an object and the eye that makes possible the formed image to be focused,
Explain Supravalvular aortic stenosis murmur? Supravalvular Aortic Stenosis Murmur : Characteristic: Murmur may be loudest in 1st Right ICS. It isn't associated with systolic
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