A Single Dominant Gene That Produces Abnormal Connective Tissue Causes

Multiple Choice

A single dominant gene that produces abnormal connective tissue causes Marfan syndrome. Individuals with the condition exhibit symptoms such as nearsightedness, long thin appendages, and a weak aorta. Marfan syndrome is an example of

A) polygenic inheritance.
B) pleiotropy.
C) multiple alleles.
D) lack of dominance.