A unique genetic cause of Parkinson's disease has been traced to
a. a dominant mutation of a gene on chromosome 4.
b. overproduction of GABA within the caudate nucleus.
c. a recessive gene located on chromosome 8.
d. a loss of cholinergic neurons within the frontal cortex.
e. overproduction of dopamine within the basal ganglia.
Question 2
Loss of dopaminergic neurons and the associated decreased activation of the supplementary motor area result in
a. akinesia.
b. akinetopsia.
c. anomia.
d. ageusia.
e. atonia.
Some organisms used as models in genetic research
Modified Amino acids with unique properties
Model for induction of B. subtilis tyrS gene by uncharged tRNATyr
Formation of an A═T to G≡C transition mutation
Annotation of a DNA sequence containing part of the human beta-globin gene
Phenotype patterns in the F2 of a dihybrid cross that result from epistatic gene interaction