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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.
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 .
According to Greek mythology, [1] the Chimera, Chimaera, Chimæra, or Khimaira (/ k aɪ ˈ m ɪər ə, k ɪ-/ ky-MEER-ə, kih-; Ancient Greek: Χίμαιρα, romanized: Chímaira, lit. 'she-goat') [ 2 ] was a monstrous fire-breathing hybrid creature from Lycia , Asia Minor , composed of different animal parts.
Chimerism is rare condition in which two zygotes fuse into a single embryo, making one organism from what should have been siblings. It can occur in all kinds of species, including, very rarely in ...
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.
It is a rare example of a tetragametic chimera, which originates when two fertilized embryos merge during a very early stage of development — between the 2-cell and the 64-cell stage. Each half has different DNA, with genetically distinct cells and the resultant bird is in effect two budgerigars fused together to form a single autonomous ...
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It may be inherited, or caused by genetic mosaicism, chimerism, disease, or injury. [2] It occurs in humans and certain breeds of domesticated animals. Heterochromia of the eye is called heterochromia iridum or heterochromia iridis. It can be complete, sectoral, or central. In complete heterochromia, one iris is a different color from the other.