Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 6 of 6 for Low
  1. ... typically occurs around the tenth week of pregnancy. Low fetal fractions can lead to an inability to ... test or a false negative result. Reasons for low fetal fractions include testing too early in the ...
  2. ... DNA that underlie a genetic disorder. (For example, low levels of biotinidase enzyme activity is suggestive of ...
  3. ... overall chance of being left-handed is relatively low, most children of left-handed parents are right- ...
  4. ... Gomez C, Lo KS, et al. Rare and low-frequency coding variants alter human adult height. Nature. ...
  5. ... or quick to react), activity level (high or low energy), attention level (focused or easily distracted), and ...
  6. ... Southeast Asian and Pacific Islander populations, and very low or undetectable elsewhere in the world. Neanderthals were ...