Marfan syndrome is a genetic disorder that arises from the mutation in a single gene. This gene, however, has multiple effects in the body. It affects tissue composition of the heart, skin, blood vessels, tendons, etc. This gene is an example of a(n): Group of answer choices multiple allele system. epistatic gene. pleiotropic gene. dominant allele. environmentally controlled gene. a) pleiotropic gene.
b) multiple allele system.
c) dominant allele.
d) epistatic gene.