𝔖 Bobbio Scriptorium
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Dynamic Analysis of the Evolution of a Novel Genetic System: the Evolution of Ciliate Meiosis

✍ Scribed by Jeremy N. Reed; Laurence D. Hurst

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
388 KB
Volume
178
Category
Article
ISSN
0022-5193

No coin nor oath required. For personal study only.

✦ Synopsis

Many ciliates undergo a peculiar form of meiosis in which four haploid nuclei are produced, three are digested, and the single remaining nucleus undergoes mitosis. It is paradoxical that such a meiotic process occurs, since one could imagine several other less costly ways of producing two nuclei. Here we investigate a possible resolution of this paradox. It is shown that the spread of a selfish gene that kills the mate not containing it, provides the conditions for the spread of a costly modifier of the form of meiosis. We investigate the conditions under which the modifier can fixate.

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