posted by Chelsea .
8. All cataracts were originally thought to be acquired; however, recent research indicates that some cataracts are genetic in nature.
What type of study would be most likely to lend support to the claim that cataracts can be inherited?
A. analysis of cataract thickness in several species
B. studying age-related onset of cataracts within a species
C. linkage studies on DNA from families with a history of
D. comparing characteristics of cataracts caused by