• Chromosomal conditions | March of Dimes

      www.marchofdimes.org/baby/chromosomal-conditions.aspx The ACOG recommends that all pregnant women be offered prenatal tests for Down syndrome and other chromosomal/genetic conditions. Learn more about screening.
    • Chromosome | Define Chromosome at Dictionary.com

      dictionary.reference.com/browse/chromosome Chromosome definition, any of several threadlike bodies, consisting of chromatin, ... chromosomal-aberration; chromosome; chromosome aberration; chromosome band;
    • Chromosome Abnormalities Fact Sheet

      www.genome.gov/11508982 Chromosome Abnormalities. What are chromosomes? Where are chromosomes found in the body? How many chromosomes do humans have? How do scientists study chromosomes?
    • What is a chromosome? - Genetics Home Reference

      ghr.nlm.nih.gov/handbook/basics/chromosome What is a chromosome? In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up ...