| 词汇 | polyploidy |
| 释义 | BETA Examples of polyploidypolyploidy isn’t in the Cambridge Dictionary yet. You can help! One of the causes of polyploidy in embryos is polyspermic penetration. Assessment of polyploidy in human morulae and blastocysts using co-culture and fluorescent in-situ hybridization. Moreover, the relatively low polymorphism level of upland cotton, due to its polyploidy and the origin of the genome, has largely hampered its genetic mapping. Although this information is very limited, it appears that chromosome anomalies, other than polyploidy, are more common in human embryos than in other species. The most common abnormalities in these studies were aneuploidy and polyploidy. For example, heterozygosity may be high when clonality is associated with polyploidy. The incidence of polyploidy is of the order of 1-2 % in zygotes of several other species. Consequences of polyploidy are not investigated in the simulations reported here. Concomitantly, the disadvantages of homozygosity may have been ameliorated by polyploidy. They also demonstrate an increase of heteroploidy- including both polyploidy and aneuploidy. Why polyploidy is rare in animal than in plant. Polyploidy and novelty in flowering plants. However, it is not clear what relatively small should mean, for example polyploidy in plants is a reasonably common large genetic change. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is a common process in plants, especially those that exhibit polyploidy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This may arise from speciation events, or through whole or partial genome duplication events (e.g. polyploidy). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Polyploidy and gene duplication are believed to be among the most powerful forces in evolution of plant form. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In organisms that are normally diploid, polyploidy, the state of having three or more sets of chromosomes, results in extreme developmental abnormalities or lethality. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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