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trisomy

There several types of trisomy, the most well known is probably Down syndrome, which is trisomy 21.

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12y ago
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6mo ago

An extra chromosome can cause genetic disorders such as Down syndrome, which is caused by an extra copy of chromosome 21. This leads to developmental delays, intellectual disabilities, and certain physical characteristics.

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13y ago

An extra chromosome 18 (trisomy 18) causes mental retardation.

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11y ago

Down Syndrome

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Q: Which genetic disorder does an extra chromosome cause?
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Related questions

What is an examples of a genetic disorder that is cause by insertion of extra codons in the X sex chromosome?

Fragile X Syndrome


Is Down syndrome a genetic disorder or a chromosome disorder?

Down syndrome is a chromosomal disorder. It is caused by having 1 extra chromosome (chromosome 21).


Can a raccoon have Down's syndrome?

No, Down's syndrome is only a human genetic disorder. Those with the disorder have an extra chromosome. Raccoons do not get this particular genetic disorder.


Down syndrome is a genetic disorder caused by the presence of an extra chromosome in the body cells of humans this extra chromosome occurs in the gamete as a result of?

an error in meiotic cell division


What is an example of a genetic disorder that is caused by insertion of an extra codons in the X sex chromosome?

Fragile X Syndrome


What is an example of a genetic disorder that is caused by insertion of extra codons in x sex chromosome?

Fragile X Syndrome


What is an example of a genetic disorder that is caused by insertion of extra codons of the X sex chromosome?

Fragile X Syndrome


What is an example of a genetic disorder that is caused by insertion of extra codons in the X sex chromosome?

Fragile X Syndrome


Is Klinefelter Syndrome sex-linked or autosomal?

Klinefelter Syndrome is a sex-linked condition that results from having an extra X chromosome in males.


What does it mean when someone has an extra chromosome?

If someone has an extra chromosome it means there was a genetic mutation that is abnormal in human development. It may result in problems with the person affecting them on a basic level, or may go fully unnoticed. A common disorder that can be caused by having an extra chromosome is Down's Syndrome.


What is cased by an extra copy of chromosome 21?

An extra copy of chromosome 21 causes Down syndrome, a genetic disorder characterized by intellectual disability, distinctive facial features, and increased risk of certain health issues.


What does the karyotype of a person with down syndrome show?

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21.