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In the US, there are currently almost 500,000 people with Down Syndrome.

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What condition results when a child is born with an extra chromosome on the third pair?

Down syndrome


How does Down syndrome affect reproduction and fertility in individuals?

Individuals with Down syndrome typically have reduced fertility compared to the general population. Both males and females with Down syndrome may have difficulty conceiving due to hormonal imbalances and other factors. Additionally, there is an increased risk of miscarriage and birth defects in pregnancies involving individuals with Down syndrome.


Is Down syndrome considered a neurological disorder?

Yes, Down syndrome is considered a genetic disorder that affects the neurological development of individuals.


What is the significance of the gap between the toes in individuals with Down syndrome?

Individuals with Down syndrome often have a larger gap between their toes, known as a "sandal gap." This physical characteristic is significant because it can help doctors diagnose Down syndrome at birth or during prenatal screenings. The presence of a sandal gap is one of the physical features commonly associated with 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.

Related Questions

What population down syndrome is affected?

.


What percentage of the Down syndrome population has atlantoaxial instability?

0-9 purcent


What is the population of people with Down Syndrome?

1 out of every 691 live births


What are the statistics of a mother having a child with down syndrome?

For the United States, estimated as the fraction of people in the population with the syndrome, ~1/5500.


What is the most common chromosomal abnormality seen in live born babies what is the prevalence of this disorder what is the relationship between maternal age and the risk of having a baby with this?

Down Syndrome-the rest is on wikipedia


What pErcentage of people have downs syndrome?

1 in every 1,000 babies that is born. 1 is the Down syndrome and 1,000 is the people that dont.


What is the biggest down syndrome incidence by race?

Down syndrome occurs in people of all races; however, studies have shown that people of Caucasian descent have a higher incidence of Down syndrome compared to other races. This is likely due to differences in genetic makeup and population demographics.


What is the genetic disorder for having three 21 chromosomes?

down syndrome


How many people in north America have down syndrome?

There are approximately7,222,222 people with down syndrome in the world ( if you compare the stat 1 in every 800-1000 births to the world's population of 6.5 billion).


What is the current population of the small tooth saw fish?

hey :) the population is down ... all the down to 99 percent


What is a chromosomal disorder that could result from nondisjunction?

Disorders, such as Down's Syndrome, are caused by nondisjunction.


What is the correct spelling 'Down syndrome' or 'Down's syndrome'?

Down syndrome is generally the preferred spelling, although Down's syndrome is sometimes used in American sources.