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its when the chromosomes 21 make a 3rd chromosome . i does not split causing it to have 3 chromosomes on one egg. this can cause Down syndrome .
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Related Questions
Do brad and Angelinas twins have down syndrom?
No.
Can you be born with down syndrom?
yes it is a genict thing
Does matty b sister have down syndrom?
Yes.
What phase occurs when one extra chromosome is produces?
Down Syndrom
How does the cause of cystic fibrosis differ from the cause of down syndrom?
the genetic conditions
Are down syndrome people good at sports?
It depends. If they're down syndrom isn't bad, then they can be very good.
What does it mean if a baby is born on their father's birthday?
its mean that the baby have a down syndrom :L
What is the genetic disorder for having three 21 chromosomes?
down syndrome
Was Joey and Rory's youngest kid born Down syndrom?
yes, i believe her name is: indie?
What is a trait controlled by three or more alleles have?
multiple alleles
How did down syndrom get its name?
Down Syndrome is named after Dr. John Langdon Down, the British doctor who first identified the syndrome in 1862. Dr. Langdon Down went on to publicize his theory in 1866.
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.
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