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5 Types of Mitotic Abnormalities | Biology

Some of the main types of mitotic abnormalities are as follows: Various mitotic abnormalities are formed as a result of placing the cells in unfavourable conditions during different phases. Physical agents, such as temperature, radiations and chemicals like narcotics and enzyme inhibitors, can easily produce mitotic deformities. 1. Cytasteral mitosis: Wilson (1901) noticed formation of numerous asters in cytoplasm of [...]

By |2015-08-27T18:59:54+00:00August 4, 2013|Biology|Comments Off on 5 Types of Mitotic Abnormalities | Biology

Heteropycnosis: Brief notes on Heteropycnosis | Biology

This article provides notes about Heteropycnosis  and its types! It is a phenomenon shown by chromosomes in which certain regions of chromosomes stain more intensely than others. The regions which exhibit heteropycnosis may be said to be composed of heterochromatin as described by Heitz (1928), and called heterochromatic parts against the other parts, which never show heteropycnosis and called euchromatic [...]

By |2015-08-27T19:02:17+00:00August 4, 2013|Biology|Comments Off on Heteropycnosis: Brief notes on Heteropycnosis | Biology
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