genetics

Question 1

A human genetic disorder called Marfan syndrome is caused by a mutation in one gene, yet it affects many aspects of growth and development, including height, vision, and heart function. This is an example of pleiotropy, or one gene affecting multiple characteristics.

Answer 1

A human genetic disorder called Marfan syndrome is caused by a mutation in one gene, yet it affects many aspects of growth and development, including height, vision, and heart function. This is an example of pleiotropy, or one gene affecting multiple characteristics.

Question 2

For example, people with a hereditary disorder called Marfan syndrome may have a set of seemingly unrelated symptoms, including the following:
Unusually tall height
Thin fingers and toes
Dislocation of the lens of the eye
Heart problems (in which the aorta, the large blood vessel carrying blood away from the heart, bulges or ruptures).

Answer 2

For example, people with a hereditary disorder called Marfan syndrome may have a set of seemingly unrelated symptoms, including the following:
Unusually tall height
Thin fingers and toes
Dislocation of the lens of the eye
Heart problems (in which the aorta, the large blood vessel carrying blood away from the heart, bulges or ruptures).