Search results
- Natural chimeras can arise in various ways. Fetal and maternal cells can cross the placental barrier so that both mother and child may become microchimeras. Two zygotes can fuse together during an early embryonic stage to form a fusion chimera. Most chimeras remain undetected, especially if both zygotes are of the same genetic sex.
www.sciencedirect.com/science/article/pii/S1769721220302895
People also ask
Do chimeras have a male or female phenotype?
What is a human chimera?
Are chimeras always man-made?
What is a genetic chimera?
How are blood chimeras formed?
Where do chimeras come from?
Sep 1, 2020 · Even sex-discordant chimeras can have a normal male or female phenotype. Only 28 of the 50 individuals with a 46,XX/46,XY karyotype were either true hermaphrodites or had ambiguous genitalia. Blood chimeras are formed by blood transfusion between dizygotic twins via the shared placenta and are more common than was once assumed. In marmoset ...
- Mosaic Or Chimera? Revisiting an Old Hypothesis About The Cause of The 46,Xx/46,Xy Hermaphrodite
The 19 informative loci were mapped onto 8 chromosomes,...
- A Dispermic Chimera Was Identified in a Healthy Man With Mixed Field Agglutination Reaction in Abo Blood Grouping and Mosaic 46, Xy/46, Xx Karyotype
1. Introduction. Chimeras are defined as individuals whose...
- True Hermaphroditism
Three loci were highly informative: D14S544 (14q32.2),...
- Follow up in a 14-Year-Old Girl
1. Introduction. Diploid/triploid mosaicism (mixoploidy) is...
- Investigation of TiO2 on AlGaAs Prepared by Liquid Phase Deposition and Its Application
The study explored titanium dioxide (TiO 2) on aluminum...
- Mosaic Or Chimera? Revisiting an Old Hypothesis About The Cause of The 46,Xx/46,Xy Hermaphrodite
A human chimera is a human with a subset of cells with a distinct genotype than other cells, that is, having genetic chimerism.
A genetic chimerism or chimera (/ kaɪˈmɪərə / ky-MEER-ə or / kɪˈmɪərə / kim-EER-ə) is a single organism composed of cells with more than one distinct genotype. Animal chimeras can be produced by the merger of two (or more) embryos.
Only 28 of the 50 individuals with a 46,XX/46,XY karyotype were either true hermaphrodites or had ambiguous genitalia. Blood chimeras are formed by blood transfusion between dizygotic twins via the shared placenta and are more common than was once assumed.
- Kamlesh Madan
- 2020
It turns out that Fairchild had a very rare condition called chimerism. Chimerism is when an organism inherits two sets of DNA instead of one. This happens in organisms of all kinds – mice, rabbits, cats, and many more. Let’s take a closer look at how chimerism looks in humans.
Study design: Human chimeras are divided into two major classes, man-made and natural. Man-made chimeras include transplanted patients and several kinds of iatrogenic chimeras including those that develop after in vitro fertilization (IVF).
Aug 8, 2016 · They found 63 percent of these women had traces of male DNA from fetal cells in their brains. The oldest woman to have fetal cells in her brain was 94 years old, suggesting that these...
