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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.
The distinction between sectorial, mericlinal and periclinal plant chimeras is widely used. [36] [37] Periclinal chimeras involve a genetic difference that persists in the descendant cells of a particular meristem layer. This type of chimera is more stable than mericlinal or sectoral mutations that affect only later generations of cells. [38]
Alfred Blaschko, a private practice dermatologist from Berlin, first described and drew the patterns of the lines of Blaschko in 1901. He obtained his data by studying over 140 patients with various nevoid and acquired skin diseases and transposed the visible patterns the diseases followed onto dolls and statues, then compiled the patterns onto a composite schematic of the human body.
Diagnosing a chimera or mosaic is particularly difficult due to the random distribution of 46,XX and 46,XY cells within the body. In a chimeric, an organ might be made up of a mix of 46,XX and 46,XY, but is made up entirely only one genotype. When that is the case, no abnormalities are noted and other types of tissues need to be analyzed. [15]
Chimera; Conspiracy theory; Contactees; Cryptoterrestrial hypothesis; Evolutionary biology; Extraterrestrial hypothesis; Genetic mutation; Horizontal evolution; Interdimensional hypothesis; List of conspiracy theories; List of cryptids; List of humanoid aliens; List of occult terms; MUFON (United States) and Kosmopoisk (Russia) New World Order
Scientists based in China have created a monkey chimera with two sets of DNA, experimental work they say could ultimately benefit medical research and the conservation of endangered species.
Nāga – A term referring to human/snake mixes of all kinds. Onocentaur – A creature that has the upper body of a human with the lower body of a donkey and is often portrayed with only two legs. Ophiotaurus – A creature that has the upper body of a bull and the lower body of a snake. Peryton – A deer with the wings of a bird.
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