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No, Down syndrome is caused by nondisjunction resulting in an extra chromosome in the 21st pair. An inactivated X chromosome (Barr body) is normal for all females. Females inherit two X chromosomes, and one is heavily methylated.
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What gene or chromosome is affected by down syndrome?
Chromosome 21 is tripled in Down syndrome.
Does a pathogen cause Down syndrome?
no, it is caused by a triplication of the 21st chromosome.
Does antibiotics cause down syndrom?
Down syndrome is not caused by a bacterial infection therefore the answer to your question is no. Down syndrome is caused by an extra chromosome in the cell nucleus.
Can celexa cause down syndrome?
No, down syndrome is caused by a genetic defect where there is an extra chromosome in most,if not all, of the cells of a body. it is not caused by a drug.
If a pregnant woman takes Procardia can this cause her to bear a baby with Down syndrome?
Down syndrome is a genetic defect and is the result of an extra chromosome at the time of conception. The use of Procardia (or any other drug) does not cause Down syndrome.
What chromosome mutations can cause mental retardation?
Examples of such accidents are development of an extra chromosome 18 (trisomy 18) and Down syndrome.
Is Angelman syndrome the same as Down syndrome?
Angelman syndrome is a genetic disorder, as is Down syndrome. But they are not the same. Angelman Syndrome involves a deletion of Chromosome 15, whereas people with Down syndrome have an extra copy of Chromosome 21.
How do you get Down syndrome?
You do not "get" Down's syndrome. You are born with it. It is a chromosomal condition of the 21st chromosome.
What is the genetic cause of Down syndrome?
Both syndrome's indicate the presence of a 47th chromosome (or extra part of a chromosome). Most humans have 23 pairs of chromosomes, totaling 46 chromosomes. For Down's syndrome, the 47th chromosome appears with the 21st pairing. For Klinefelter's syndrome the 47th chromosome appears with the 26th pairing (the gender chromosomes.)
Is down syndrome cause by dominant or recessive?
Down syndrome is neither caused by dominant or recessive chromosomes it is simply caused by an error in the translation process of chromosome 21.
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).
Down syndrome is usually caused by an extra copy of what chromosome?
Down syndrome occurs because of the extra chromosome on chromosome 21. If you go onto google images and type in karyotype of Down syndrome, you will find a picture of the extra chromosome. Instead of having two chromosomes on chromosome 21, there is an extra. Type your answer here...
