Genetic material is stored in the nucleus of our cells in genes, these genes are responsible for humans traits and grouped on structures called chromosomes. Typically, the nucleus of each cell contains 23 pairs of chromosomes, half of which are inherited from each parent. Down syndrome occurs when an individual has a full or partial extra copy of chromosome 21. Individuals with Down Syndrome have different degrees of intellectual disability, physical characteristics can include small stature, low muscle tone and upward slant of the eyes.
To learn more you can visit The National Down Syndrome Society website.
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