$A$ : Occasionally mammary glands are functional in males and the condition is called gynaecomastia.
$R$ : Decreased testosterone in later life may also lead to gynaecomastia. It is usually due to perturbation of estrogen to androgen ratio.
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 expression of genes for the production of milk in only females is a
Polyploidy can be induced by the application of
One of the following is not the types of blood groups or blood factors
With the help of an example, differentiate between incomplete dominance and co dominance.
$A$ : One drum stick per nucleus is present in the neutrophil of normal female.
$R$ : It is absent in the neutrophil of male