Explanation : Down syndrome is trisomia of 21 chromosome due to abnormal distribution of chromosomes in process of cell's divisions. Some risk factors as mother"s age after 35 years very important.
Answered 8/26/2016
1k views
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question