There are many different chromosomal abnormalities in a RETT patient it includes ring chromosome(especially X chromosome),dicentric,chromosomal and chromatid breaks etc...
Trisomy 21, Down's syndrome
Turner's syndrome was first described by Dr. Henry Turner in 1938, but it was not until 1960 that the chromosomal abnormality was discovered. ...
An interesting fact about Rett syndrome is that it is normally found in females because females have two X chromosomes. If a male were to get Rett Syndrome they wouldn't survive because males have only one X chromosome.
Well there is actually several. There is XXY, Klinefelter: XYY, "Super male": XXX, perfectly normal but still a abnormality: and XO or Turner syndrome, sterile female, small stature, normal intelligence. These are the most well documented but I am sure there is more out there.
Turner syndrome is a chromosomal disorder.
no, it is a chromosomal abnormality, not a contagious disease.
Trisomy 21, Down's syndrome
It is called Patau syndrome and is a chromosomal abnormality
46,XXY or XXY for males; see the link below.
If one of sex chromosomes is missing. Normal-XX Turner- XO
Rett syndrome in boys is known as Rett syndrome. Male fetuses with Rett syndrome do not typically survive until birth unless they have an extra X chromosome (XXY).
what is the answer to this question
Yes, his niece Courtney has rett syndrome.
Andreas rett
Chromosomal abnormality is a broader term, describing duplications, loss, gain etc, of a particular chromosome. More related to the structures in an ideogram.Genetic disorder is a much broader term that describes any chromosomal or genetic changes. A disease condition.
It is the result of a chromosomal abnormality, in which there is an extra chromsome on the chromosome 21 pair. This is call trisomy 21.
It is not passed on from parent to child. It is an error in meiosis.