Q:

(A) Delays in the achievement of developmental milestones by children can be directly attributed to heredity.

Reason (R): Environmental factors do not play any role in development.

Choose the correct option.

• 1
  Both (A) and (R) are true and (R) is the correct explanation of (A).
• 2
  Both (A) and (R) are true but (R) is not the correct explanation of (A).
• 3
  (A) is true but (R) is false.
• 4
  Both (A) and (R) are false.