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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]
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.
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.
A Gymnopilus clamp connection. A clamp connection is a hook-like structure formed by growing hyphal cells of certain fungi.It is a characteristic feature of basidiomycete fungi.
Plasmogamy is a stage in the sexual reproduction of fungi, in which the protoplasm of two parent cells (usually from the mycelia) fuse without the fusion of nuclei, effectively bringing two haploid nuclei close together in the same cell.
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.
Synapsis during Meiosis. The circled area is the part where synapsis occurs, where the two chromatids meet before crossing over. Synapsis or Syzygy is the pairing of two chromosomes that occurs during meiosis.
The Enciclopedia Libre was founded by contributors to the Spanish Wikipedia who decided to start an independent project. Led by Edgar Enyedy, they left Wikipedia on 26 February 2002, and created the new website, provided by the University of Seville for free, with the freely licensed articles of the Spanish Wikipedia. [3]