Down Snydrome, a genetic 🧬 disorder characterized by an extra chromosome 21 as a result of abnormal cell division. Chromosomes are small "packages" of genes which determine how a baby's body forms and functions as it grows during pregnancy and birth. A normal baby is born with 46 chromosomes (23 pairs). Babies born with Down Syndrome have an extra chromosome 21. A medical term for having an extra chromosome 21 is "trisomy ". Hence Down Syndrome is referred to as Trisomy 21. This extra copy changes the developmental procedures of the baby's body and brain 🧠. Such babies grow with low IQ ( a measure of intelligence?
Below are some common features of Down Syndrome
. Short neck
. Small ears
. A single line across the palm of the hand
. A tongue that tends to stick out of the mouth