$A$ : Myotonic dystrophy is caused by a recessive mutant pleiotropic gene.
$R$ : Gene mutation leads to more synthesis of fibrillin proteins.
$R$ : Gene mutation leads to more synthesis of fibrillin proteins.
- AAssertion and Reason both are correct and Reason is the correct explanation of Assertion.
- BAssertion and Reason both are correct but Reason is not the correct explanation of Assertion.
- CAssertion is correct, but Reason is incorrect.
- DBoth Assertion and Reason are incorrect.
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