V2EX autotetraploid

Autotetraploid

释义 Definition

自源四倍体:一种四倍体(4n)生物/细胞,其四套染色体都来自同一物种,通常由染色体加倍(如减数分裂或有丝分裂异常、诱导加倍)形成。另有相关概念如“异源四倍体”(来自不同物种)。

发音 Pronunciation (IPA)

/tottrpld/

例句 Examples

An autotetraploid plant has four sets of chromosomes from the same species.
自源四倍体植物的四套染色体都来自同一物种。

Researchers induced an autotetraploid line to increase cell size and potentially improve fruit quality, but they also monitored reduced fertility during meiosis.
研究人员诱导获得一条自源四倍体品系以增大细胞体积、可能提升果实品质,同时也监测其在减数分裂中可能出现的生育力下降。

词源 Etymology

由三部分构成:**auto-**(“自身的、同一的”)+ tetra-(“四”)+ -ploid(与染色体“倍性/组数”有关,源自希腊语 ploos“倍、重”)。整体字面意思即“自身来源的四倍体”。

相关词 Related Words

文献与作品 Literary Works

  • Plant Breeding: Principles and Prospects(涉及多倍体育种与自源多倍体/四倍体术语)
  • Principles of Plant Genetics and Breeding(讨论多倍体、倍性形成机制与应用)
  • Principles of Genetics(在倍性与染色体变异章节中使用相关术语)
  • Evolution and Speciation of Polyploid Plants(多倍体植物进化与物种形成研究中常见该词)
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