Sickle-cell anaemia happens due to ...$A$... mutation in which ...$B$... of haemoglobin is affected.

Fill the correct option for $A$ and $B$

  • A

    $A-$point; $B-$ $\beta$-chain

  • B

    $A-$chromosomal; $B-\alpha -$chain

  • C

    $A-$allele; $B-\alpha -$chain

  • D

    $A-$non-allele; $B-$chain

Similar Questions

Which one of the following symbols and its representation, used in human pedigree analysis is correct ?

  • [AIPMT 2010]

$A$ : Sickel cell anaemia occurs due to the point mutation.
$R$ : $mRNA$ produced from $Hb(s)$ gene has $GAG$ instead of $GUG$.

Which of the following is not true of haemophilia?

The best example for pleiotropy is

  • [NEET 2020]

Given below is pedigree chart showing the inheritance of a certain trait in human. Select the correct option for the given chart