What is the difference between Turner syndrome and mosaic Turner syndrome?

What is the difference between Turner syndrome and mosaic Turner syndrome?

However, some girls with Turner syndrome have a full or partial absence of the X chromosome in only some of their cells. When an individual has a different chromosomal content in his/her cells, it is called mosaicism. … Mosaic Turner syndrome, like Turner syndrome, is not typically inherited .

How common is mosaic Turner syndrome?

Turner syndrome is a genetic condition found in females only. It affects about 1 in every 2,500 girls. Girls who have this condition usually are shorter than average and infertile due to early loss of ovarian function.

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How does mosaic Turner syndrome occur?

Mosaic Turner syndrome is also not inherited. In an affected individual, it occurs as a random event during cell division in early fetal development. As a result, some of an affected person's cells have the usual two sex chromosomes, and other cells have only one copy of the X chromosome.

Is Turner syndrome caused by mother or father?

Most people are born with two sex chromosomes. Boys inherit the X chromosome from their mothers and the Y chromosome from their fathers. Girls inherit one X chromosome from each parent. In girls who have Turner syndrome, one copy of the X chromosome is missing, partially missing or altered.

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