A : Myotonic dystrophy is caused by recessive mutant pleiotropic gene. R : Gene mutation leads to mo

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4.Principles of Inheritance and Variation

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$A$ : Myotonic dystrophy is caused by recessive mutant pleiotropic gene.
$R$ : Gene mutation leads to more synthesis of fibrillin proteins.

A

Assertion and Reason both are correct and also correct explanation.

B

Assertion and Reason both are correct but not explanation of assertion.

C

Assertion is correct, but Reason is incorrect.

D

Both Assertion and Reason are incorrect.

Solution

Caused by Dominant genes.

Standard 12

Biology

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