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Cleavage - Development Biology
Cleavage or segmentation is a series of cell divisions of the fertilized .egg through which it is converted into a multicellular structure, called blastula. The main characteristics of cleavage include:
The cell divisions in the somatic cells are mitotic. The daughter cells or blastomeres or cleavage cells are also derived as a result of mitotic divisions of the zygote. We may ask whether there are any differences between mitotic divisions of somatic cells and, of the zygote and the blastomeres derived from it during cleavage.
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Explain Astrand Cycle Test? This is a sub maximal test done on cycle ergo meter. In this test, comparatively lower wattages are set. For example, for males less than 35 years o
For measuring the rate of transpiration of a twig using Ganong's potometer, learner A cuts the twig and fits it in the broad end of the water-filled potometer. Learner B cuts the t
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Point out some Difference between Tumor And Cancer? Tumor is a swelling or growth because of an abnormal growth of tissue. Tumors can either be benign or malignant. The benign
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