Assertion: Trisomic condition of chromosome 13 results in Down’s syndrome.
Reason: It is characterized by severe mental retardation.
(a) Assertion and Reason are correct, reason is the correct explanation of assertion.
(b) Assertion and Reason are correct, reason is not the correct explanation of assertion.
(c) Assertion is incorrect, Reason is correct.
(d) Both assertion and Reason are not correct.
