what is down syndrome
Answers
Answer:
pls mark as brainliest
Explanation:
Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21. This extra genetic material causes the developmental changes and physical features of Down syndrome.
Down syndrome varies in severity among individuals, causing lifelong intellectual disability and developmental delays. It's the most common genetic chromosomal disorder and cause of learning disabilities in children. It also commonly causes other medical abnormalities, including heart and gastrointestinal disorders.
Answer:
A genetic chromosome 21 disorder causing developmental and intellectual delays.
Explanation:
Down's syndrome is a genetic disorder caused when abnormal cell divison results in extra genetic material from chromosome 21.