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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
Describe cytokinesis in a plant cell. Vesicles produced by the Golgi apparatus fuse at the midline of the cell to form the cell plate, a cell wall that elongates to divide th
Explain the differance between savanna and desert? Savanna : Savanna is characterized by relatively low rainfall and pronounced dry seasons. This type of climate produces a b
#q1. If offspring exhibit a 3:1 phenotypic ratio, what are the genotypes of a parent?uestion..
Conscious experience is probably the most familiar mental process that we know, yet its workings remain mysterious. Consciousness is not directly accessible for study. Hence the ne
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Are chaetopterus species coelomate?
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Soaking Soaking is an another inexpensive processing method, which does not require much technical know how, is commonly practiced for improving the palatability of chaffed cro
Q What are the kinds of reproduction that occur in fungi? In fungi there is sexual and asexual reproduction. Fungi reproduce asexually by fragmentation, sporulation and gemmati
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