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Q: What is monosomy 21?
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Can a child with monosomy be born alive?

yes my son is 3 months old and he has monosomy 21,they do say hes a miracle and not suppose to be here


What do you call it if a person is missing a chromosome?

If a person is missing a chromosome, it is known as monosomy. Monosomy occurs when there is only one copy of a particular chromosome instead of the usual two copies. For example, a person missing one copy of chromosome 21 would have a condition called monosomy 21 or trisomy 21, which is also known as Down syndrome.


Is huntingtons disease monosomy or trisomy?

Monosomy


Is Down syndrome also known as Monosomy 21?

No, that is false. Down Syndrome is also known as Trisomy-21. Monosomy is a condition where one chromosome is missing from what should be a pair in every cell throughout the body. Trisomy indicates a chromosome has three copies instead of a pair.


Cystic fibrosis is it monosomy 21?

No. Cystic fibrosis is an autosomal recessive disease caused by mutations found on chromosome 7.


Which monosomy can a human have and still survive?

The only monosomy that a human can have and still survive is Turner syndrome, which is characterized by having only one X chromosome (45,X). Individuals with Turner syndrome may have a range of symptoms, including short stature, infertility, and heart defects.


Is color blindness monosomy or trisomy?

trisomy


Is klinefelter's syndrome monosomy or trisomy?

A trisomy. A monosomy is when there is only one of a chromosome. A trisomy is when there are three of a chromosome. In Klinefelter's syndrome, there are three sex chromosomes.


What some other example of monosomy?

Turner Syndrome


If a human gamete with an extra chromosome participates in fertilization with a normal gamete what conditions result?

If a human gamete with an extra chromosome (nondisjunction) participates in fertilization with a normal gamete, it can lead to an embryo with aneuploidy, resulting in conditions such as Down syndrome (Trisomy 21) or Turner syndrome (Monosomy X), depending on which chromosome is affected. These conditions are characterized by physical and mental developmental differences.


What is a loss of complete chromosome called?

A loss of a complete chromosome is called monosomy. This occurs when a cell only has one copy of a particular chromosome instead of the usual two copies.


Why is monosomy worse than trisomy?

Monosomy occurs when one chromosome is absent from the normal diploid number. This is referred to as aneuploidy which is the loss or gain of a chromosome during meiosis.An example of monosomy is Turner Syndrome. One of the sex chromosomes is missing. In an unaffected female there are 2 'X' chromosomes. But in Turner Syndrome there is one sex chromosome missing.Trisomy occurs when there is three copies of a chromosome instead of the normal diploid number. This is also referred to as aneuploidy because there was an extra chromosome added hence, an abnormal amount of chromosomes.An example of trisomy is in Trisomy 21(Downs Syndrome) in which chromosome 21 has an extra chromosome.