University of Arizona
The Biology Project: Human Biology: New Methods for Karyotyping
Read about the findings from the scientific group from the National Center for Human Genome Research, which published a modification to traditional karyotyping that permits rapid identification of chromosomal alterations.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Learn About Genetics: Genetic Screening
Learn how genetic screening is used to identify people who are healthy genetic carriers for diseases that occur more often in certain populations.