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A genetic chimerism or chimera (/ k aɪ ˈ m ɪər ə / ky-MEER-ə or / k ɪ ˈ m ɪər ə / kim-EER-ə) is a single organism composed of cells with more than one distinct genotype. Animal chimeras can be produced by the fusion of two (or more) embryos .
Chimeric genes are important players in the evolution of genetic novelty. Much like gene duplications, they provide a source of new genes, which can allow organisms to develop new phenotypes and adapt to their environment. Unlike duplicate genes, chimeric proteins are immediately distinct from their parental genes, and therefore are more likely ...
A human chimera is a human with a subset of cells with a distinct genotype than other cells, that is, having genetic chimerism.In contrast, an individual where each cell contains genetic material from a human and an animal is called a human–animal hybrid, while an organism that contains a mixture of human and non-human cells would be a human-animal chimera.
In molecular biology, and more importantly high-throughput DNA sequencing, a chimera is a single DNA sequence originating when multiple transcripts or DNA sequences get joined. Chimeras can be considered artifacts and be filtered out from the data during processing [ 1 ] to prevent spurious inferences of biological variation. [ 2 ]
Chimera, Chimaera, or Chimaira (Greek for "she-goat") originally referred to: Chimera (mythology) , a fire-breathing monster of ancient Lycia said to combine parts from multiple animals Mount Chimaera , a fire-spewing region of Lycia or Cilicia typically considered the inspiration for the myth
A chimera or chimeric virus is a virus that contains genetic material derived from two or more distinct viruses. It is defined by the Center for Veterinary Biologics (part of the U.S. Department of Agriculture's Animal and Plant Health Inspection Service) as a "new hybrid microorganism created by joining nucleic acid fragments from two or more different microorganisms in which each of at least ...
The paper, published in the academic journal Science on Thursday, revealed that the research team accomplished the first-ever modification of genes in mammals on a scale big as chromosomes.
The sharing of genes between the fetus and mother may lead to benefits. Due to not all genes being shared, health complications may arise as a result of resource allocation. [ 57 ] During pregnancy, fetal cells are able to manipulate the maternal system to draw resources from the placenta, while the maternal system tries to limit it.