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Haploidisation is the process of halving the chromosomal content of a cell, producing a haploid cell. Within the normal reproductive cycle, haploidisation is one of the major functional consequences of meiosis, the other being a process of chromosomal crossover that mingles the genetic content of the parental chromosomes. [1]
A doubled haploid (DH) is a genotype formed when haploid cells undergo chromosome doubling. Artificial production of doubled haploids is important in plant breeding.. Haploid cells are produced from pollen or egg cells or from other cells of the gametophyte, then by induced or spontaneous chromosome doubling, a doubled haploid cell is produced, which can be grown into a doubled haploid plant.
Step labeled number 4 indicates karyogamy's place in the context of the life cycle of the fungus Taphrina.. Haploid organisms such as fungi, yeast, and algae can have complex cell cycles, in which the choice between sexual or asexual reproduction is fluid, and often influenced by the environment.
The Spanish Wikipedia (Spanish: Wikipedia en español) is the Spanish-language edition of Wikipedia, a free online encyclopedia. It has 2,009,294 articles. It has 2,009,294 articles. Started in May 2001, it reached 100,000 articles on 8 March 2006, and 1,000,000 articles on 16 May 2013.
Enciclopedia Libre Universal en Español (English: Universal Free Encyclopedia in Spanish) was a Spanish-language wiki-based online encyclopedia that started as a fork of the Spanish Wikipedia, released under the Creative Commons Attribution-ShareAlike License 3.0 and using the same MediaWiki software.
The Latin Wikipedia (Latin: Vicipaedia or Vicipaedia Latina) is the Latin language edition of Wikipedia, created in May 2002. As of February 2025, it has about 140,000 articles . While all primary content is in Latin, modern languages such as English , Italian , French , German or Spanish are often used in discussions, since many users find ...
The Cancer Genome Atlas (TCGA) is a project to catalogue the genomic alterations responsible for cancer using genome sequencing and bioinformatics. [1] [2] The overarching goal was to apply high-throughput genome analysis techniques to improve the ability to diagnose, treat, and prevent cancer through a better understanding of the genetic basis of the disease.
This issue was documented poignantly in the 1935 treatise by Amado Alonso entitled El problema de la lengua en América (The problem of language in [Spanish] America), [39] and was reiterated in 1941 when the scholar Américo Castro published La peculiaridad lingüística rioplatense y su sentido histórico (The linguistic peculiarity of River ...