Post 54. Co-signing and being a guarantor are two different things. Every co-signer is a guarantor, but not every guarantor is a co-signer. If you pledge to repay a debt of another without the possibility of personal return, then you are the co-signer.
About 6,000 babies with Down syndrome are born in the United States every year, and the national population of people with DS is estimated to be 400,000. Babies with DS and typically developing infants are more alike than they are different.
1 Trisomy 21 â More than 90% of Down syndrome cases are caused by trisomy 21. 2  An extra chromosome (chromosome 21) originates in the development of either the sperm or the egg. 3  When the egg and the sperm unite to form the fertilized egg, three (rather than two) chromosomes 21 are present.own syndrome is the most common birth defect in the United States. It was first described in 1866 and is named after John Langdon Down, the doctor who first identified the syndrome. The cause of Down syndrome, also known as trisomy 21, was discovered in 1959.