Trait controlled by the both environment and genetic factor. Usually, multifactorial traits outside of illness result in what we see as continuous characteristics in organisms, especially human organisms such as: height, skin color, and body mass.
I recently took a drug test for a job. I tested positive for opiates in my urine. I do not and have never taken drugs of any sort other than alcohol. I dont take any prescription drugs, how is it possible that this happened. I hade consumed some beer about12 hours before the test.
Opiates are extremely addictive. You can learn more about Heroin here at the National Institute on Drug Abuse website. This opiates drug test uses a urine sample to find out if an opiate has been used in the past few days. It is 95% accurate, simple to use, and provides results within 5 minutes.