What is an example of monosomy?

What is an example of monosomy?

Monosomy: Missing one chromosome from a pair. For example, if a female has one X chromosome (X monosomy) rather than two, she has Turner syndrome.

What is monosomy and how is it caused?

Monosomy (the lack of one member of a chromosome pair) and trisomy (a triplet instead of the normal chromosome pair) are typically the result of nondisjunction during meiosis. When this happens, one gamete shows monosomy, and the other shows trisomy of the same chromosome.

What happens if you have monosomy?

It causes many traits and problems. Girls with TS are shorter than most girls. They don’t go through normal puberty as they grow into adulthood. They may also have other health problems, such as heart or kidney problems.

What is monosomy and trisomy?

Trisomies and monosomies are two types of chromosomal abnormalities. Specifically, a trisomy is when a person has three of a particular chromosome, instead of the usual two. A monosomy is when they just have one chromosome instead of the usual two.

Is monosomy a polyploidy?

chromosomal disorder duplicated (trisomy) or absent (monosomy); an entire set of 23 chromosome pairs can be duplicated three (triploidy) or more (polyploidy) times; or one arm or part of one arm of a single chromosome may be missing (deletion).

How is monosomy formed?

Where does Monosomy occur?

Monosomy of the X chromosome is the only nonlethal monosomy. Also known as Turner syndrome, monosomy X occurs in 4 : 10,000 female births and is associated with short stature, webbed neck, and gonadal dysfunction (Chapter 152). Unlike autosomal monosomies, not all autosomal trisomies are lethal in the prenatal period.

How do you treat monosomy?

There is no cure, but there are treatments that can ease your symptoms and improve your quality of life. Growth hormone injections may help children with Turner syndrome grow taller. Hormone therapy can also aid in the development of secondary sex characteristics like breasts and pubic hair.

Where does monosomy occur?

What is trisomy example?

The presence of an extra chromosome in some or all of the body’s cells. This results in a total of three copies of that chromosome instead of the normal two copies. For example, Down syndrome (trisomy 21) is caused by having three copies of chromosome 21 instead of the usual two copies.