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There are 22 pairs of chromosomes. You have the triple chromosomes at 21 position.

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10y ago

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A diploid cell of a person with Down syndrome has how many chronosomes?

23


What will happen if sex cells carry diploid chromosomes?

It will result 4n cells.Chromosomal number will be doubled from generation to generation. It also will result in abnormal individuals that may not to be able to adapt. Down's Syndrome and Turner's Syndrome are examples of this.


Is it true to state that female only are responsible for down syndrome?

no and waverer some kids have down syndrome


What gender is affected mostly by down syndrome female or male?

The proportion of men to women with Down syndrome is about equal.


What is the male female ratio of those who have Down syndrome?

1 in 10


Who is the oldest female in the US with Down syndrome?

I do not have real-time data to provide the name of the oldest female in the US with Down syndrome. You may be able to find this information through research or by contacting organizations that focus on Down syndrome advocacy and support.


What is the probability of a 28-year-old female bearing a baby with Down syndrome?

If you look at the link below, the probability of a 28 year old female having a baby with Down syndrome is a little less than 1 in 1000.


What is the number of chromosomes affected in down syndrome?

#21


Is Barr body present in female with Down syndrome?

Yes, a female with Down syndrome has three copies of chromosome 21, but only two copies of the X chromosome. Regarding sex chromosomes, she is genetically normal. For this reason X chromosome inactivation would occur, and she would have one Barr body per cell.


Difference between the chromosomes of a person with Down syndrome and a person without Down syndrome?

An individual with Down Syndrome has the presence of all or part of an extra 21st chromosome.


Why a person with Down's syndrome has an abnormal number of chromosomes?

Yes.


Where on earth does Down Syndrome most occur?

The number is the same everywhere.