Diploidization: Difference between revisions
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[[Image:Diploidization-cartoon.png|thumb|500px|]] | [[Image:Diploidization-cartoon.png|thumb|500px|Cartoon of the process of diploidization following a whole genome duplication event.]] | ||
The process of a [[polyploid]] genome returned to a diploid status. While the overall gene content is reduced to one that is similar to the pre-duplicated ancestory, the overall architecture of the genome will be vastly different due to fractionation of gene content from [[homeologous]] genomic regions, [[transposition]] events, and large-scale genomic changes such [[chromosomal rearrangements]]. Also, some gene families tend to be retained their duplicate copies following [[polyploidy]] events. | |||
Latest revision as of 00:26, 7 August 2009
The process of a polyploid genome returned to a diploid status. While the overall gene content is reduced to one that is similar to the pre-duplicated ancestory, the overall architecture of the genome will be vastly different due to fractionation of gene content from homeologous genomic regions, transposition events, and large-scale genomic changes such chromosomal rearrangements. Also, some gene families tend to be retained their duplicate copies following polyploidy events.