Triploid Syndrome
Encyclopedia
Chromosome
A chromosome is an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences. Chromosomes also contain DNA-bound proteins, which serve to package the DNA and control its functions.Chromosomes...
for a total of sixty-nine rather than the normal forty-six chromosomes.
Babies with Triploid Syndrome usually are lost through early miscarriage
Miscarriage
Miscarriage or spontaneous abortion is the spontaneous end of a pregnancy at a stage where the embryo or fetus is incapable of surviving independently, generally defined in humans at prior to 20 weeks of gestation...
. However, some infants have been born and survived as long as five months. Affected infants are usually small and have multiple birth defects. Those that survive are usually mosaic
Mosaic (genetics)
In genetic medicine, a mosaic or mosaicism denotes the presence of two populations of cells with different genotypes in one individual who has developed from a single fertilized egg...
, meaning that some cells have the normal number of 46 chromosomes and some cells
Cell (biology)
The cell is the basic structural and functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing, and is often called the building block of life. The Alberts text discusses how the "cellular building blocks" move to shape developing embryos....
have a complete extra set of chromosomes.
Also known as
- 2n/3n Mixoploidy
- 3n Syndrome
- Chromosome Triploidy Syndrome
- Diploid/Triploid Mixoploidy
- Triploidy
- Triploidy Syndrome