$A$ : Myotonic dystrophy is caused by recessive mutant pleiotropic gene.
$R$ : Gene mutation leads to more synthesis of fibrillin proteins.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
The fruit shape in tomato is an example of
The expression of genes for the production of milk in only females is a
When linked characters or genes are inherited together through two or more generations, it is called
Mental retardation in man, associated with sex chromosomal abnormality is usually due to
If in a child of $10$ years ages of the intelligence is of $14$ years child, the $I.Q.$ of this child would be