Down syndrome or trisomy 21 is caused by having an extra copy of chromosome 21 and it is a developmental disorder which means having three copies of each genes rather than two, this extra copy changes several characteristics and leads to physical and mental issues for the child. Anyway, what are the signs and symptoms of Down syndrome?
Different complications at different times of lives may happen to people with Down syndrome as well as the signs of Down syndrome can vary from one person to other. However, the patients of Down syndrome have a specific and obvious facial and body feature that include:
• Poor and weak muscle tone
• short neck with surplus skin at the back of the neck
• flatten face and small extensive nose
• Small head, ears
Different complications at different times of lives may happen to people with Down syndrome as well as the signs of Down syndrome can vary from one person to other. However, the patients of Down syndrome have a specific and obvious facial and body feature that include:
• Poor and weak muscle tone
• short neck with surplus skin at the back of the neck
• flatten face and small extensive nose
• Small head, ears