Why We Should All Celebrate World Down Syndrome Day

By Joaquin M. Espinosa

March 21st is internationally recognized as World Down Syndrome Day. Just like typical people, individuals with Down syndrome have two copies of each of their 23 chromosomes but they have third copy of chromosome 21, a genetic condition known as trisomy 21, hence the celebration on March 21st or 3-21.


Source:: Huffington Science