Down syndrome
Down syndrome is a genetic chromosomal disorder that occurs when a person has an extra copy of chromosome 21, resulting in 47 chromosomes instead of the typical 46. It is the most common chromosomal condition diagnosed in humans.
Down syndrome is a genetic chromosomal disorder that occurs when a person has an extra copy of chromosome 21, resulting in 47 chromosomes instead of the typical 46. It is the most common chromosomal condition diagnosed in humans.