Chromosomes and DNA

Humans have 46 chromosomes. There are a total of 23 pairs of chromosomes or 46 total chromosomes. Chromosomes are made up of long strands of DNA which contain all the body’s genes.

Review Date: 05/13/2011
Reviewed By: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)

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