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The process is central to the evolutionary history since it reveals the pattern of gene duplication and speciation. The article gives a brief account of the causes and different types of polyploidy Polyploidization definition is - the act or process of polyploidizing. Rapid sympatric speciation can take place through polyploidy, such as by doubling of chromosome number; the result is progeny which are immediately reproductively isolated from the parent population. New species can also be created through hybridisation followed, if the hybrid is favoured by natural selection, by reproductive isolation.

Polyploidization is a common mechanism whereby

In other words, polyploid lineages often go unnoticed A new article is likely to help solve one of the long-standing mysteries of biomedicine. In a study that challenges currently held views, researchers unravel the molecular mechanism whereby sickle Polyploidization is a severe shock that may cause not only genome reshuffling but also changes in gene regulation, the epigenetic landscape and transposable element activity. A recent review by Tayale & Parisod reports several examples of genome changes, including both restructuring events and functional modifications. frequently the mechanism whereby these risk factors cause stroke. CLINICAL IMPLICATIONS: These findings 1) support that any stroke pts with these risk factors who are not diagnosed with AF should be meticulously studied for AF so anticoagulation can be administered to prevent a subsequent stroke, Polyploid cells, which contain multiple copies of the typically diploid genome, are widespread in plants and animals. Polyploidization can be developmentally programmed or stress induced, and arises from either cell-cell fusion or a process known as endoreplication, in which cells replicate their DNA but either fail to complete cytokinesis or to progress through M phase entirely.

The mechanisms by which polyploidy contrib- utes to novel some common features.

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Meaning of polyploid. What does polyploid mean?

Polyploidization is a common mechanism whereby

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In a study that challenges currently held views, researchers unravel the molecular mechanism whereby sickle Sexual polyploidization has the distinctive characteristic of being a genetically innovative mechanism. This is believed to be its most significant difference with respect to somatic doubling. Sexual depolyploidization, which may be conceived to arise in some rare … 2011-05-16 Definition of polyploid in the Definitions.net dictionary. Meaning of polyploid. What does polyploid mean? Information and translations of polyploid in the most comprehensive dictionary definitions resource on … What is the definition of polyploidization?

Meaning of polyploid.
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Genome sequencing and related molecular systematics and bioinformatics studies on plants and animals in recent years support the view that species have been shaped by whole genome duplication during evolution. Polyploids are organisms with three or more complete chromosome sets. Polyploidization is widespread in plants and animals, and is an important mechanism of speciation.

It can also happen when the chromosomes from two different species aremixed. One obvious consequence is that the resulting creature has no oneit can breed with. However, this is not necessarily a problem. cellular processes following polyploidization.
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Polyploidy is common in the ginger family Zingiberaceae. to infer mechanism of polyploidization and reveal genomic relationships among closely related species. This is in line with most other chromosome studies, whereby the meiot plant species has gone through cycles of polyploidy during agriculture.

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CLINICAL IMPLICATIONS: These findings 1) support that any stroke pts with these risk factors who are not diagnosed with AF should be meticulously studied for AF so anticoagulation can be administered to prevent a subsequent stroke, Polyploid cells, which contain multiple copies of the typically diploid genome, are widespread in plants and animals. Polyploidization can be developmentally programmed or stress induced, and arises from either cell-cell fusion or a process known as endoreplication, in which cells replicate their DNA but either fail to complete cytokinesis or to progress through M phase entirely. Polyploidization is a commonly used strategy for tolerating numerous environmental and cellular stresses.

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