Question

multiple choice question
in the ancient angiosperm amborella trichopoda, genes have been incorporated from other plant species through the process of

horizontal gene transfer
gene transposition
integrated extranuclear introgression

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Explanation:

Horizontal gene transfer is the movement of genetic material between organisms other than by the vertical transmission from parent to offspring. Gene transposition involves movement of genes within a genome. Integrated extranuclear introgression is not a common process for incorporating genes from other species. In plants, horizontal gene transfer can occur and result in incorporation of genes from other plant species.

Answer:

horizontal gene transfer