tag:blogger.com,1999:blog-6325629700015929336.post6363016091877569510..comments2023-08-08T10:08:33.380-05:00Comments on Two Science Nerds: Week 24Jacquehttp://www.blogger.com/profile/12559182871801654046noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6325629700015929336.post-71834703984623233452012-03-22T09:23:06.486-05:002012-03-22T09:23:06.486-05:00The thing at the base of the neck is the nucal fol...The thing at the base of the neck is the nucal fold (a sac of fluid). They measure it, and if it's not within a certain range, it's another "indicator" of a genetic defect.Sarah Gibsonhttps://www.blogger.com/profile/16089932832881000529noreply@blogger.com