V2EX allopolyploid

Allopolyploid

释义 Definition

异源多倍体:一种多倍体生物,其染色体组来自不同物种的杂交与随后染色体加倍(例如两个物种杂交后形成后代,再发生染色体成套加倍,从而恢复/提高可育性)。该词也可作形容词使用。

发音 Pronunciation (IPA)

/lplpld/(英)
/lplpld/(美)

例句 Examples

Allopolyploid plants often arise after hybridization between two species.
异源多倍体植物常常在两个物种杂交之后形成。

Bread wheat is an allopolyploid whose genome combines contributions from multiple ancestral grasses, which helps explain its adaptability.
普通小麦是一种异源多倍体,其基因组融合了多个祖先禾本科植物的遗传贡献,这也有助于解释它的适应性。

词源 Etymology

来自科学构词:**allo-**(“不同的、他者的”,源自希腊语 allos)+ poly-(“多”,源自希腊语 polys)+ -ploid(“倍数/染色体组”,与“成套的染色体”相关,源自希腊语 -ploidēs “……样的、……形态的”)。整体字面义可理解为“来自不同来源的多倍体”。

相关词 Related Words

文学作品中的用例 Literary Works

该词主要用于遗传学、进化生物学与植物学的学术写作中,在传统文学作品中出现较少;更常见于经典科普与科学著作/教材,例如:

  • Evolution(Douglas J. Futuyma)
  • Plant Systematics: A Phylogenetic Approach(Walter S. Judd 等)
  • Principles of Genome Analysis and Genomics(Sandy B. Primrose 等)
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