A mutation in a brain protein makes people exposed to pesticides more likely to develop Parkinson's disease, a progressive genetic disorder of the nervous system that affects movement. 16. If two people want to know their child's chances of having Parkinson's disease, why can they not rely on just their phenotypes?​

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation:

the tricuspid valve is present between right atrium and right ventricle