関連する実験動画

Updated: May 11, 2026

Identification of Critical Conditions for Immunostaining in the Pea Aphid Embryos: Increasing Tissue Permeability and Decreasing Background Staining
09:44

Identification of Critical Conditions for Immunostaining in the Pea Aphid Embryos: Increasing Tissue Permeability and Decreasing Background Staining

Published on: February 2, 2016

pea aphidsの生態学的専門化と生殖的孤立の遺伝的関連性

D J Hawthorne1, S Via

  • 1Department of Entomology, University of Maryland, College Park 20742, USA.

Nature
|August 31, 2001
PubMed
まとめ

遺伝的相関は,生態学的専門化と種の発生を促すことができる. 豆芽虫では,宿主性能と配偶者選択に影響を及ぼす結合遺伝子が,専門化と生殖分離の共同進化を促進し,種形成を助けます.

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関連する概念動画

Dihybrid Crosses01:18

Dihybrid Crosses

Overview
Speciation Rates01:07

Speciation Rates

Overview
Frequency-dependent Selection01:21

Frequency-dependent Selection

When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
Genetics of Speciation02:16

Genetics of Speciation

Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
Gene Flow02:39

Gene Flow

Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
Epistasis Analysis01:09

Epistasis Analysis

Although Mendel chose seven unrelated traits in peas to study gene segregation, most traits involve multiple gene interactions that create a spectrum of phenotypes. When the interaction of various genes or alleles at different locations influences a phenotype, this is called epistasis. Epistasis often involves one gene masking or interfering with the expression of another (antagonistic epistasis). Epistasis often occurs when different genes are part of the same biochemical pathway. The...