減數分裂
減數分裂（拉丁文：meiosis）係一種好特別嘅細胞分裂，會搞到染色體嘅數目減一半，變做單倍體細胞，每條染色體都係嚟自於佢嘅親本細胞（parent cell）[1] 。呢個過程會發生喺所有用有性生殖嚟繁殖嘅細胞生物體入面，包括動物、植物、同埋真菌[2][3][4][5] 。同有絲分裂唔同嘅係，減數分裂會做兩次分裂，分做四粒子細胞，而且子細胞同親本細胞嘅基因大多數都唔一樣，因為喺分裂嗰陣會互換（crossing over）。減數分裂同有絲分裂一樣有前期、前中期、中期、後期同埋末期嘅階段，但係由於會分裂兩次，所以夾埋有十個階段。
攷
[編輯]- ↑ {{cit day would e book|last1=Freeman|first1=Scott|title=Biological Science|date=2011|publisher=Pearson|location=Hoboken, NY|page=210|edition=6th}}
- ↑ Letunic, I; Bork, P (2006). "Interactive Tree of Life". 喺23 July 2011搵到.
- ↑ Bernstein H, Bernstein C, Michod RE (2011). “Meiosis as an evolutionary adaptation for DNA repair." In “DNA Repair", Intech Publ (Inna Kruman, editor), Chapter 19: 357-382 DOI: 10.5772/1751 ISBN 978-953-307-697-3 Available online from: http://www.intechopen.com/books/dna-repair/meiosis-as-an-evolutionary-adaptation-for-dna-repair
- ↑ Bernstein H, Bernstein C (2010). "Evolutionary origin of recombination during meiosis". BioScience. 60 (7): 498–505. doi:10.1525/bio.2010.60.7.5.
- ↑ LODÉ T (2011). "Sex is not a solution for reproduction: the libertine bubble theory". BioEssays. 33 (6): 419–422. doi:10.1002/bies.201000125. PMID 21472739.
