Explanation:
All males who inherit the mutation will be affected, and all females who inherit the mutation will be carriers. Because it is not possible for a male to be an unaffected carrier of X-linked SCID, parents cannot both be carriers of this type.
Answer:
C. Tobacco use, poor diet, and inactivity
Explanation:
According to a research by the National Research Council and Institute of Medicine, it was reported that most behaviour-related premature deaths in the United States are caused by factors that can be controlled.
The research revealed that, apart from the fact that other causative agents such as the auase of tobacco had significantly decreased, other neglected agents such as poor diet and inactivity were found to be increasingly cause premature deaths.
The answer is A narcotics.
The answer is false. It won't let me post the answer because I have to write at least 20 characters so that's what I'm doing.
