Question

How does heredity affect flexibility?
a. Heredity does not affect flexibility.
b. Heredity affects which joint types a person develops.
c. Heredity affects the amount of flexibility present in joints.
d. Heredity affects how joint structure is developed.

Answer 1

The answer is d, heredity affects how joint structure is developed because joint structure can be a trait that is passed on from generation to generation. 
 
i hope this answer helps you.

Answer 2

the answer is d. Heredity affects how joint structure is developed hope u pass