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Trisomy 21 is down's syndrome, which is an extra copy of chromosome 21

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What is another name for trisomy-21, commonly known as Down syndrome?

Another name for trisomy-21, commonly known as Down syndrome, is trisomy 21.


What trisomy causes Down syndrome?

Well, honey, Down syndrome is caused by an extra copy of chromosome 21, also known as trisomy 21. It's like having a bonus chromosome that messes with the genetic party. So, to put it simply, trisomy 21 is the culprit behind Down syndrome.


Are there different types of Down syndrome?

There are three different types of Down syndrome: Standard Trisomy 21, Translocation, and Mosaicism. Standard Trisomy 21 is when the extra chromosome 21 comes from either the egg or sperm cell. Between 90% and 95% of all Down syndrome is Standard Trisomy 21.


What are the different types of Down syndrome?

There are three different types of Down syndrome: Standard Trisomy 21, Translocation, and Mosaicism. Standard Trisomy 21 is when the extra chromosome 21 comes from either the egg or sperm cell. Between 90% and 95% of all Down syndrome is Standard Trisomy 21.


Is non disjunction the only cause of down syndrome?

No.There are three different types of Down syndrome: Standard Trisomy 21, Translocation, and Mosaicism. Standard Trisomy 21 is when the extra chromosome 21 comes from either the egg or sperm cell. Between 90% and 95% of all Down syndrome is Standard Trisomy 21.


What types of Down syndrome are there?

There are three different types of Down syndrome: Standard Trisomy 21, Translocation, and Mosaicism. Standard Trisomy 21 is when the extra chromosome 21 comes from either the egg or sperm cell. Between 90% and 95% of all Down syndrome is Standard Trisomy 21.


When Having three copies of chromosomes 21 leads to a disorder known as trisomy 21 or more commonly as?

Down syndrome is trisomy 21


What is the genetic disorder for having three 21 chromosomes?

down syndrome


Which of the following are example(s) of trisomy---Turner Syndrome Down's Syndrome or Klinefelter's Syndrome?

Trisomy means having three copies of a chromosomes. Turner's syndrome is NOT an example of trisomy. Someone with Turner's syndrome has only one X chromosome. Down's syndrome IS an example of trisomy. Someone with Down's syndrome has 3 copies of chromosome 21. Klinefelter's syndrome is a tricky one. On one hand, it would be considered trisomy because they have 3 sex chromosomes. However, they are not all the SAME sex chromosomes. Someone with Klinefelter's has 2 X chromosomes and one Y chromosome.


What is the scientific name for Down syndrome?

Down syndrome is also known as Trisomy 21.


What is another name for down syndrom?

Well Down Syndrome is sometimes called Up Syndrome because most kids with Down Syndrome are very happy.Trisomy 21


What are the stages of Down syndrome?

There are three different kinds of Down syndrome: Translocation, Trisomy 21, and Mosaic.Translation: occurs when a piece of chromosome breaks off and attaches to another.Trisomy 21 (the most common kind): caused by meiotic disjunction, or in other words a gamete produces an extra of Chromosome 21.Mosaic is similar to Trisomy 21 in that it still has the extra chromosome in the cell, but also some of the other cells in the body have a normal amount of chromosomes.