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The presence of three copies of a chromosome is known as a trisomy. An example would be Trisomy 21, also known as Down Syndrome.

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What is the condition in which an individual has three copies of a chromosome?

The condition in which an individual has three copies of a chromosome is called trisomy. It can result in genetic disorders such as Down syndrome, which is caused by an extra copy of chromosome 21.


When cells contain three copies of a chromosome it is called?

Triploid.


What is it called when one person has three copies of one chromosome?

trisonomy


In one kind of abnormal chromosome inheritance called down syndrome a child has three copies of what?

chromosome 21


In one kind of abnormal chromosome inheritance called?

In one kind of abnormal chromosome inheritance called Down syndrome, a child has three copies of Chromosome 21!


What is three copies of chromosomes known as?

Three copies of chromosomes are known as trisomy. This genetic condition can result in disorders such as Down syndrome (trisomy 21) when an individual has an extra copy of chromosome 21.


What is Trisomy?

A trisomy is a condition in which a person has three copies of a chromosome instead of the usual two copies. Trisomy 9 refers to three copies of chromosome 9. A person can have full trisomy 9 (three copies in every cell) or mosaic trisomy 9 (three copies in some cells but not all).


Trisomy is a mutation that results in a cell having an extra?

A trisomy is a condition in which a person has three copies of a chromosome instead of the usual two copies. A person can have full trisomy (three copies in every cell) or mosaic trisomy (three copies in some cells but not all).


Type of mutation that causes Trisomy 18?

Trisomy 18 is caused by a type of mutation called nondisjunction, where an error in cell division results in an extra copy of chromosome 18. This leads to the presence of three copies of chromosome 18 in each cell instead of the normal two copies.


Which condition results when cells receive three copies of chromosomes 21?

Down syndrome results when cells receive three copies of chromosome 21.


What are four of chromosomal mutation?

Four types of chromosomal mutations are Down syndrome (which is a mutation in which there are three copies of chromosome 21), Kinefelter Syndrome (which is a mutation in which a male has an extra X-chromosome), Turner Syndrome (which is a mutation in which a female is missing an X-chromosome), and Patau Syndrome (which is a mutation in which there are three copies of chromosome 13).


Autosomal abnormality resulting in three copies of chromosome 21 is known as?

Trisomey-21