People who suffer from marfan syndrome have disproportionately long limbs, a weakened aorta, and poor eyesight. all of these characteristics are due to the production of abnormal connective tissue, resulting from a single defective gene. marfan syndrome is an example of

Marfan syndrome is an example of genetic disorder in which is in the connective tissue. A genetic disorder likely occurs to an individual when he or she has an abnormality in terms of his or her DNA, either he or she incomplete or too much chromosome causing an individual to develop gene disorder.

answer; polycythemia is the correct answer;