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prophase
The 1st phase of mitosis or meiosis.
In mitosis, there is a contraction & increase in thickness of the chromosomes (each consists of 2 chromatids). The 2 daughter centrioles migrate towards the poles of the cell.
In meiosis, prophase is more complex. Stages of prophase in meiois include:
1) preleptonene
2) leptonene
3) zygotene
4) pachytene
5) diplotene
6) diakinesis
General
mitosis
References
Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999.