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Horizontal gene transfer is a potential confounding factor in inferring phylogenetic trees based on the sequence of one gene. [163] For example, given two distantly related bacteria that have exchanged a gene a phylogenetic tree including those species will show them to be closely related because that gene is the same even though most other ...
This lateral gene transfer occurred also beyond the Darwinian threshold, after heredity or vertical gene transfer was established. [4] [5] "Sequence comparisons suggest recent horizontal transfer of many genes among diverse species including across the boundaries of phylogenetic "domains". Thus determining the phylogenetic history of a species ...
Horizontal or lateral gene transfer (HGT or LGT) is the transmission of portions of genomic DNA between organisms through a process decoupled from vertical inheritance.In the presence of HGT events, different fragments of the genome are the result of different evolutionary histories.
An example is the viral transfer of DNA from one bacterium to another and hence an example of horizontal gene transfer. [2] [3] [page needed] Transduction does not require physical contact between the cell donating the DNA and the cell receiving the DNA (which occurs in conjugation), and it is DNase resistant (transformation is susceptible to ...
Gene flow is the transfer of alleles from one population to another population through immigration of individuals. In population genetics, gene flow (also known as migration and allele flow) is the transfer of genetic material from one population to another. If the rate of gene flow is high enough, then two populations will have equivalent ...
Transformation is one of three processes that lead to horizontal gene transfer, in which exogenous genetic material passes from one bacterium to another, the other two being conjugation (transfer of genetic material between two bacterial cells in direct contact) and transduction (injection of foreign DNA by a bacteriophage virus into the host ...
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Horizontal gene transfer, where genes are transferred from one organism to another by means other than genes received from an ancestor [2] It is sometimes used by creationists as a synonym for Microevolution, development of genetic changes below the speciation threshold