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An image of multiple chromosomes, taken from many cells. Plant genetics is the study of genes, genetic variation, and heredity specifically in plants. [1] [2] It is generally considered a field of biology and botany, but intersects frequently with many other life sciences and is strongly linked with the study of information systems.
A key event in the conservation of plant genetic resources was the establishment of the International Board for Plant Genetic Resources (IBPGR) (now Bioversity International) in 1974, whose mandate was to promote and assist in the worldwide effort to collect and conserve the plant germplasm needed for future research and production. IBPGR ...
Tree of life showing vertical and horizontal gene transfers. Horizontal gene transfer (HGT) or lateral gene transfer (LGT) [1] [2] [3] is the movement of genetic material between organisms other than by the ("vertical") transmission of DNA from parent to offspring (reproduction). [4]
This is an accepted version of this page This is the latest accepted revision, reviewed on 15 February 2025. Science of genes, heredity, and variation in living organisms This article is about the general scientific term. For the scientific journal, see Genetics (journal). For a more accessible and less technical introduction to this topic, see Introduction to genetics. For the Meghan Trainor ...
Fungus–plant-mediated horizontal gene transfer can occur via phagotrophic mechanisms (mediated by phagotrophic eukaryotes) and nonphagotropic mechanisms. Nonphagotrophic mechanisms have been seen in the transmission of transposable elements, plastid-derived endosymbiotic gene transfer, prokaryote-derived gene transfer, Agrobacterium tumefaciens-mediated DNA transfer, cross-species ...
In contrast, a human where each cell contains genetic material from two organisms of different breeds, varieties, species or genera is called a human–animal hybrid. [ 31 ] While German dermatologist Alfred Blaschko described Blaschko's lines in 1901, the genetic science took until the 1930s to approach a vocabulary for the phenomenon.
The plant's offspring inherit the new genes, which has led to concern about the spread of new traits into wild plants. [ 22 ] The kind of technology used in genetic engineering is also being developed to treat people with genetic disorders in an experimental medical technique called gene therapy . [ 23 ]
Genotype can also be used to refer to the alleles or variants an individual carries in a particular gene or genetic location. [2] The number of alleles an individual can have in a specific gene depends on the number of copies of each chromosome found in that species, also referred to as ploidy. In diploid species like humans, two full sets of ...