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.
The exponential amplification of the gene in PCR.
Liver Disease
Gene Cloning
Sydney Parkinson, Portrait of a Maori.
The Gene Expression Machine Model for Coupling
The age-of-onset curve for Huntington disease (HD)