Question

which of the following is influenced only by heredity and not environmental factors?
a. obesity
b. diabetes
c. heart disease
d. muscular dystrophy

please select the best answer from the choices provided

a
b
c
d

Explanation:

• Obesity: Influenced by diet (environment) and genetics.
• Diabetes: Type 2 linked to lifestyle (environment), Type 1 has genetic + environmental aspects.
• Heart disease: Influenced by diet, exercise (environment) and genetics.
• Muscular dystrophy: A genetic disorder, caused by inherited gene mutations, not environmental factors.

Answer:

d. muscular dystrophy