Tetrad
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A tetrad is another name for a bivalent [1] It can be described as a pair of homologus chromosomes or 4 chromatids and can be found during Prophase 1 of Meiosis [2].
In Pachytene in prophase 1 the chromosomes become more visible and can easily be seen as the tetrad or bivalent [3].
References
- ↑ Biology-online.org, 2014 Bivalent - definition from Biology-Online.org. [online] Available at: http://www.biology-online.org/dictionary/Bivalent [Accessed Nov. 2014].
- ↑ Alberts, Johnson, Lewis, Raff, Roberts and Walter (2008) Molecular biology of the cell 5th Edition. New York. Garland Science, Taylor & Francis group.
- ↑ Homepages.gac.edu, 2014 Chapter 11: Cell Cycles - Introduction. [online] Available at: http://homepages.gac.edu/~cellab/chpts/chpt11/intro11.html