Karyotype

The chromosome profile of a person. In men, the karyotype includes 23 pairs (46 regular chromosomes) and two sex chromosomes, one X and one Y chromosome. In Down syndrome a male has a karyotype with 47 regular chromosomes (an extra copy of chromosome 21) and the usual two sex chromosomes

from beyond babyzone:
Use a Facebook account to add a comment, subject to Facebook's Terms of Service and Privacy Policy. Your Facebook name, profile photo and other personal information you make public on Facebook (e.g., school, work, current city, age) will appear with your comment. Comments, together with personal information accompanying them, may be used on BabyZone.com and other Disney media platforms. Learn More.
Real-mom dispatches from the Baby Zone
X

more in BabyZone

10 Excitingly Exotic Baby Names