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introgression    
基因渗入; 种质渗入

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  • Introgression - Wikipedia
    Introgression, also known as introgressive hybridization, in genetics is the transfer of genetic material from one species into the gene pool of another by the repeated backcrossing of an interspecific hybrid with one of its parent species
  • What Is Introgression in Biology and How Does It Work?
    Introgression describes a biological phenomenon where genetic material moves from one species into the gene pool of another This transfer occurs through repeated backcrossing following an initial hybridization event
  • Introgression - an overview | ScienceDirect Topics
    Introgression refers to the incorporation of genetic material from one species into the gene pool of another through repeated interbreeding events, as observed between modern humans and archaic humans like Neanderthals and Denisovans
  • INTROGRESSION Definition Meaning - Merriam-Webster
    The meaning of INTROGRESSION is the entry or introduction of a gene from one gene complex into another (as by hybridization)
  • A need for standardized reporting of introgression: Insights from . . .
    With the rise of affordable next‐generation sequencing technology, introgression—or the exchange of genetic materials between taxa—has become widely perceived to be a ubiquitous phenomenon in nature
  • Long-term isolation and archaic introgression shape . . . - Science
    Between 2 and 5% of modern Eurasian genomes are derived from admixture with Neanderthals and Denisovans, with Papua New Guineans bearing the largest fractions However, Oceanian populations remain underrepresented in genetic studies, resulting in questions about the landscape of archaic introgression, including difficult-to-identify features such as structural variants Hsieh et al used long
  • Introgression impacts the evolution of bacteria, but species borders . . .
    Here, we use the term “introgression” to describe gene flow between the genomic backbone of distinct species (i e , their core genomes)—an analogy to the classical usage in sexual organisms, but
  • Introgression under linear selection on continuous genomes
    We model the introgression of a small block that carries many weakly selected linked loci into a large homogeneous population, under the simple assumption that a block of introduced genome has a selective effect proportional to its map length Using a diffusion approximation, we compute the probability that some part of the initial block survives the initial phase of the introgression and give
  • Introgression: Current Biology - Cell Press
    Stepfanie Aguillon and colleagues introduce the process of genetic introgression, the movement of genetic information between species through hybridization
  • Hybridization and Introgression – Molecular Ecology Evolution: An . . .
    This process, called introgression, can dilute the distinct genetic identity of the rare species and pose a risk of extinction Gain of Genetic Diversity: Conversely, hybridization can introduce new genetic variations into populations





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