Down syndrome is a condition in which a person has an extra chromosome.
Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is born with 46 chromosomes. Babies with Down syndrome have an extra copy of one of these chromosomes, chromosome 21. A medical term for having an …
Down syndrome is a condition in which a person has an extra chromosome. Read More »