Downs Syndrome

DOWNS SYNDROME
DOWNS SYNDROME

Contents:

foliate 1 what is chromosomal/ genetic abnormalities, history

rascal 2 Causes, Conditions and symptoms

scalawag 3 Treatment, Research about cure

Page 4 Pictures

Page 5 - Reference

What are Chromosomical/Genetic Abnormalities ?

Chromosome abnormalities are problems that exist in the genetic structure of a babys chromosomes. Also referred to as chromosome disorders, these abnormalities loafer appear in different ways in your baby. roughly chromosome abnormalities involve an extra copy of a particular chromosome. sometimes chromosomes might be broken or arranged in the wrong order. Gene abnormalities, though rare, also occur, especially if the prove also has that gene constipation.

History

In 1866 the physical characteristics of batch with win Syndrome were linked with decreased intellectual ability and grouped as one syndrome. The English physician, John Langdon gobble up, was the first to publish these findings. collect to the fact that the facial features of people with Down Syndrome were similar to those of people from Mongolia, he used the term mongoloid to refer to a person with (what is now known as) Down Syndrome. It was not until 1959 that Dr.



 Jerome Lejeune, a French physician, made the discovery that Down Syndrome was the result of a chromosomal abnormality. His research led him to the fact that the stalls of people with Down Syndrome (mongoloids, at the time) had 47 chromosomes, whereas the cells of people without the syndrome only had 46 chromosomes. provided a little while after that, it was discovered that chromosome bend 21 contained an extra partial or complete chromosome in these so called mongoloids. Thus, the term Trisomy 21 was born.

Causes and Conditions and Symptoms of Down Syndrome
Causes and Conditions-
Down syndrome occurs because of an abnormality characterized by an extra copy of genetic material on all or part of the 21st chromosome. Every cell in the body contains genes that...If you want to get a just essay, order it on our website: Orderessay



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