$A$ : Sickel cell anaemia occurs due to the point mutation.
$R$ : $mRNA$ produced from $Hb(s)$ gene has $GAG$ instead of $GUG$.
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.
Genes for colour blindness is carried by
$I.$ Abnormal development
$II.$ Father
$III.$ Mother
$IV.$ Autosomes
A couple whose sons are colourblind with $AB$ blood group, identify the parents from the following..
A normal woman, whose father was colour-blind is married to a normal man. The sons would be
Colour blindness is found more in males than in females because
Which is not Mendelian disorder in man?