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Because the average human is born with 46 chromosomes, 23 from their mother and 23 from their father. Some one with Down's syndrome is born with a 47th chromosome, that is the "Down's Syndrome".
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How was Down syndrome identified?
Genetic testing, the presence of an extra copy of chromosome 21, a condition often referred to as trisomy 21 is indicative of Down Syndrome.
Do you live with down syndrome all your life?
Indeed you do. It is, unfortunately a genetic condition.
What is down syndrome disorder?
genetic condition in which a person has 47 chromosomes instead of the usual 46
Does Down syndrome start at birth or does it develop as the persons ages?
Down syndrome is a genetic condition with which a person is born; it is not something that develops as the person gets older.
Does infant's Tylenol increase the risk of Down syndrome in newborns?
Umm, no. You're either born with or without Down syndrome. It's not a disease, it's a genetic condition.
Is down syndrome constitutional?
is down syndrome acquired genetic disease
How are down syndrome people made?
The same way any other person is 'made' - by their parents having intercourse ! Down Syndrome is a genetic condition inherited from one or both parents.
What is the genetic disorder for having three 21 chromosomes?
down syndrome
Down syndrome is caused by having an extra copy of what chromosomes?
21, the condition is also referred to as trisomy 21.
Does fetal alcohol syndrome lead to Down syndrome?
No, but consuming alcohol during pregnancy can lead to impaired mental development in a condition called Fetal Alcohol Syndrome.
What is a genetic condition that can result when chromosomes don't separate correctly during meiosis?
Trisomy 21 (Down's syndrome), Turner's syndrome (XO), and Klinefelter's syndrome (XXY) are a few examples of genetic disorders that can result when chromosomes don't separate correctly during meiosis.
Examples of genetic disorders?
There's many different genetic disorders such as: Down Syndrom Canavan Disease Muenke Syndrome Bloom Syndrome etc
