If having a gene for Parkinson's Disease guarantees that Parkinson's Disease will develop, the presence of
the gene can be described as a
A) sufficient cause. B) necessary cause.
C) contributory cause. D) risk factor.
Question 2
In order to develop chicken pox, one must be exposed to the virus that causes chicken pox. Note, however,
that not everyone who is exposed to the virus is affected. In other words, the virus is a
A) risk factor. B) contributory cause.
C) sufficient cause. D) necessary cause.
Step 2 of gene cloning: The actions of a restriction enzyme and DNA ligase to produce a recombinant
Lyme Disease Concept Map
The Environment Influences Gene Expression
Concept map of disease and immune system
A gene map for chromosome 12 from the NCBI database Map Viewer
The genetics of C gene dominance