The presence of three copies of a chromosome is known as a trisomy. An example would be Trisomy 21, also known as Down Syndrome.
trisonomy
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.
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).
Trisomey-21
The condition in which an organism has complete extra sets of chromosomes is called polyploidy. This condition can cause a number of severe birth defects. Most do not live a full lifespan for their species.
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.
Triploid.
trisonomy
chromosome 21
In one kind of abnormal chromosome inheritance called Down syndrome, a child has three copies of Chromosome 21!
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.
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).
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).
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.
Down syndrome results when cells receive three copies of chromosome 21.
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).
Trisomey-21